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Assignee profile:

O2MICRO, INC.

City:

Santa Clara, California

Country:

United States

Published Applications:

316

Last publication date:

2025-04-17

Patent Grants:

247

Last grant date:

2025-12-23

Quarterly O2MICRO, INC. Patent Applications

Top Inventors for applications by O2MICRO, INC.

These are the the leading inventors for applications assigned to O2MICRO, INC.:

Guoxing LI 59 Sunnyvale, CA United States
Ching-Chuan KUO 29 Taipei, Taiwan
Yung-Lin LIN 29 Palo Alto, CA United States
Laszlo LIPCSEI 27 Campbell, CA United States

Wei ZHANG 20 Shanghai, China
Jinghua Zou 16 Chengdu, China
Da LIU 14 Milpitas, CA United States
Sheng-Tai LEE 13 Taipei, Taiwan

Tiesheng YAN 12 Chengdu, China
Weihua Zhang 12 Chengdu, China
Ke Gao 11 Chengdu, China
Serban Mihai Popescu 10 San Carlos, CA United States

Xiaojun Zeng 9 Shanghai, China
O2Micro Inc. 9 Santa Clara, CA United States
Constantin Bucur 9 Sunnyvale, CA United States
William Densham 9 Los Gatos, CA United States

Yingguo ZHANG 9 Wuhan, China
Flavius Lupu 8 San Jose, CA United States
Anquan XIAO 8 Shanghai, China
Juan Gou 8 Chengdu, China

Ching-Chuan KUO 8 Taipei City, Taiwan
Xinsheng Peng 8 Wuhan, China
Weidong XUE 8 Shanghai, China
Zhimou REN 8 Chengdu, China

James Wang 8 San Jose, CA United States
Xiaoguang YU 7 Wuhan, China
Youling LI 7 Shenzhen, China
Jiun Heng Goh 6 Sunnyvale, CA United States

Guoyong GUO 6 San Jose, CA United States
Yunning XIE 6 Chengdu, China
Chutao ZHANG 6 Shenzhen, China
Xinhe SU 6 Chengdu, China

Marian NICULAE 6 San Jose, CA United States
Songtao CHEN 6 Shenzhen, China
Liusheng LIU 6 San Jose, CA United States
Xiaofei GONG 6 Shanghai, China

Mao Liu 6 Shanghai, China
XiaoHua Hou 5 Shanghai, China
Han-Jung Kao 5 Taipei, Taiwan
Bo YU 5 Chengdu, China

Feng LIN 5 Chengdu, China
Wenhua Cui 5 Shanghai, China
Hua-Yi Wang 5 Taipei, Taiwan
Jun REN 5 Chengdu, China

Dan SIMION 5 Santa Clara, CA United States
Hua-Yi WANG 5 Taipei City, Taiwan
Sterling Shyundii Du 5 Shanghai, China
Eftimie CARAGHIORGHIOPOL 5 San Jose, CA United States

Mei Yu 5 Chengdu, China
Yan LI 5 Wuhan, China
Stefan Maireanu 5 Sunnyvale, CA United States
Alexandru HARTULAR 5 San Jose, CA United States

ShengTai LEE 4 Taipei, Taiwan
Chengxia He 4 Chengdu, China
Rong HU 4 Beijing, China
Catalin Popovici 4 San Jose, CA United States

Chih-Chung CHOU 4 Taipei City, Taiwan
Sterling Du 4 Palo Alto, CA United States
Jiulian Dai 4 Shanghai, China
Constantin BUCUR 4 Santa Clara, CA United States

Tao Zhang 4 Shanghai, China
Guo Xing LI 4 Sunnyvale, CA United States
Jun Chen 4 Chengdu, China
Chun Lu 4 San Jose, CA United States

Zhibin HUA 4 Shenzhen, China
Naoyuki Fujita 4 Tokyo, Japan
Jingjing Zuo 4 Beijing, China
Fu-Jen Hsieh 4 Taipei, Taiwan

Chih-Chung CHOU 4 Taipei, Taiwan
Fu-Jen Hsieh 4 Taipei City, Taiwan
Qi Zhu 4 Chengdu, China
Sheng-Tai LEE 4 Taipei City, Taiwan

Xinhe SU 4 Sichuan, China
Yen-jung Su 4 Taipei City, Taiwan
Sterling DU 4 Shanghai, China
Jianping Xu 4 Chengdu, China

Alin GHERGHESCU 4 San Jose, CA United States
Xiaohu TANG 3 Shanghai, China
Deyu Tang 3 Chengdu, China
Xiaoyong He 3 Chengdu, China

Dachun Zhang 3 Chengdu, China
Chia-Ming Chang 3 Taipei, Taiwan
Shenghong LU 3 Chengdu, China
Jun Wang 3 Chengdu, China

Vlad Mihail Dan POPESCU-STANESTI 3 San Jose, CA United States
Chia-Ming CHANG 3 Taipei City, Taiwan
Shaolan Wang 3 Beijing, China
Yanjun Li 3 Shanghai, China

O2Micro, Inc. 3 , United States
Ruichao TANG 3 Shenzhen, China
Gang Li 3 Shenzhen, China
Yi YUAN 3 Wuhan, China

Haiquan Huang 3 Chengdu, China
Shiqiang LIU 3 Shenzhen, China
Marius PADURE 3 Bucharest, Romania
Oleksandr KOKORIN 3 San Jose, CA United States

Luyang LUO 3 Chengdu, China
Fengjiang ZHANG 3 Chengdu, China
Guoyan QIAO 3 Wuhan, China
Quanwang LIU 2 Sichuan, China

Recent patent applications by O2MICRO, INC.

O2MICRO, INC. based in Santa Clara, US has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2025-04-17 ✅ Patent 12,506,412 granted on 2025-12-23

US20250125728A1

Electricity

POWER MANAGEMENT SYSTEMS

#2 | 2025-03-13 ✅ Patent 12,389,507 granted on 2025-08-12

US20250089139A1

Electricity

CONTROLLER FOR CONTROLLING A LIGHT SOURCE MODULE

#3 | 2024-05-16 ✅ Patent 12,376,209 granted on 2025-07-29

US20240163988A1

Electricity

CONTROLLER FOR CONTROLLING A LIGHT SOURCE MODULE

#4 | 2023-12-14 ✅ Patent 12,095,047 granted on 2024-09-17

US20230402664A1

Electricity

Determining a status of connection between a battery unit and a battery management system

#5 | 2023-09-21 ✅ Patent 12,081,056 granted on 2024-09-03

US20230299602A1

Electricity

Controller and battery management methods

#6 | 2023-08-24 ✅ Patent 11,955,821 granted on 2024-04-09

US20230268763A1

Electricity

Managing power in a portable device comprising multiple batteries

#7 | 2023-05-04 ✅ Patent 11,689,108 granted on 2023-06-27

US20230136279A1

Electricity

Controller for controlling a resonant converter

#8 | 2023-01-12 ✅ Patent 11,777,154 granted on 2023-10-03

US20230009240A1

Electricity

OPEN CELL DETECTION SYSTEMS AND METHODS

#9 | 2022-03-17 ✅ Patent 11,955,823 granted on 2024-04-09

US20220085630A1

Electricity

Protecting a battery in a battery pack

#10 | 2022-03-10 ✅ Patent 11,699,915 granted on 2023-07-11

US20220077704A1

Electricity

Controller and battery management methods

#11 | 2021-11-11 ✅ Patent 11,768,245 granted on 2023-09-26

US20210349150A1

Physics

Predicting a potential fault in a battery

#12 | 2021-09-02 ✅ Patent 11,927,642 granted on 2024-03-12

US20210273462A1

Electricity

Open cell detection method and open cell recovery detection method in a battery management system

#13 | 2021-09-02 ✅ Patent 12,055,591 granted on 2024-08-06

US20210270906A1

Physics

Battery management controllers capable of determining estimate of state of charge

#14 | 2021-08-19 ✅ Patent 11,930,568 granted on 2024-03-12

US20210259073A1

Electricity

Controller for controlling a light source module

#15 | 2021-07-29 ✅ Patent 11,360,150 granted on 2022-06-14

US20210231738A1

Physics

Fault detection for battery management systems

#16 | 2021-07-01 ✅ Patent 12,061,237 granted on 2024-08-13

US20210199722A1

Physics

Detecting whether a battery management system is abnormal

#17 | 2021-04-01 ✅ Patent 11,489,345 granted on 2022-11-01

US20210099000A1

Electricity

Controllers, charging cables, and systems and methods for identifying types of charging cables

#18 | 2021-03-11 ✅ Patent 11,362,522 granted on 2022-06-14

US20210075228A1

Electricity

Systems and methods for managing a battery pack

#19 | 2021-01-28 ✅ Patent 11,032,881 granted on 2021-06-08

US20210029788A1

Electricity

Controller for controlling light source module

#20 | 2020-11-26 ✅ Patent 11,469,453 granted on 2022-10-11

US20200373629A1

Electricity

Open cell detection systems and methods

#21 | 2020-11-05 ✅ Patent 11,211,812 granted on 2021-12-28

US20200350777A1

Electricity

Controller and battery management methods

#22 | 2020-10-15 ✅ Patent 11,303,137 granted on 2022-04-12

US20200328601A1

Electricity

Systems and methods for controlling battery current

#23 | 2020-07-30 ✅ Patent 10,893,591 granted on 2021-01-12

US20200245432A1

Electricity

Controllers, systems, and methods for driving a light source

#24 | 2020-06-04 ✅ Patent 11,073,565 granted on 2021-07-27

US20200174081A1

Physics

Calculating a remaining capacity of a battery

#25 | 2020-05-14 ✅ Patent 11,050,279 granted on 2021-06-29

US20200153261A1

Electricity

Charge/discharge switch control circuits for batteries

#26 | 2020-05-14 ✅ Patent 11,309,704 granted on 2022-04-19

US20200153235A1

Electricity

Battery protection systems

#27 | 2020-04-23 ✅ Patent 11,677,260 granted on 2023-06-13

US20200127467A1

Electricity

Managing power in a portable device comprising multiple batteries

#28 | 2020-04-09 ✅ Patent 11,105,858 granted on 2021-08-31

US20200110134A1

Physics

Predicting a potential fault in a battery

#29 | 2020-03-12 ✅ Patent 10,757,770 granted on 2020-08-25

US20200084851A1

Electricity

Light source driving circuits and light source module

#30 | 2020-02-04 ✅ Patent 10,553,915 granted on 2020-02-04

US15881573

Electricity

Systems and methods for configuring parameters for charging a battery pack

#31 | 2019-10-24 ✅ Patent 10,537,000 granted on 2020-01-14

US20190327805A1

Electricity

Controller, light source driving circuit and method for controlling light source module

#32 | 2019-10-10 ✅ Patent 11,139,662 granted on 2021-10-05

US20190312444A1

Electricity

Balance circuits for battery cells

#33 | 2019-09-12 ✅ Patent 10,714,947 granted on 2020-07-14

US20190280491A1

Electricity

Systems and methods for controlling battery current

#34 | 2019-08-15 ✅ Patent 10,660,176 granted on 2020-05-19

US20190254130A1

Electricity

System and method for driving light source comprising voltage feedback circuit and current feedback circuit

#35 | 2019-02-21 ✅ Patent 11,009,553 granted on 2021-05-18

US20190056457A1

Physics

Fault detection for battery management systems

#36 | 2018-11-01 ✅ Patent 11,038,356 granted on 2021-06-15

US20180316197A1

Electricity

Open cell detection method and open cell recovery detection method in a battery management system

#37 | 2018-09-27 ✅ Patent 10,216,210 granted on 2019-02-26

US20180275704A1

Physics

Dual input power management method and system

#38 | 2018-09-13 ✅ Patent 10,348,101 granted on 2019-07-09

US20180262023A1

Electricity

Systems and methods for controlling battery current

#39 | 2018-08-16 ✅ Patent 10,886,753 granted on 2021-01-05

US20180233928A1

Electricity

Systems and methods for managing a battery pack

#40 | 2018-08-02 ✅ Patent 10,534,037 granted on 2020-01-14

US20180217207A1

Physics

Devices with battery remaining capacity estimating functions

#41 | 2018-07-26 ✅ Patent 10,277,052 granted on 2019-04-30

US20180212435A1

Electricity

Controlling power delivery to a battery

#42 | 2018-05-31 ✅ Patent 10,574,068 granted on 2020-02-25

US20180152035A1

Electricity

Charge/discharge switch control circuits for batteries

#43 | 2018-04-05 ✅ Patent 10,541,542 granted on 2020-01-21

US20180097372A1

Electricity

System and method for charging a battery pack

#44 | 2018-03-01 ✅ Patent 10,153,700 granted on 2018-12-11

US20180062522A1

Electricity

Power converters

#45 | 2017-08-10 ✅ Patent 10,075,074 granted on 2018-09-11

US20170229967A1

Electricity

DC to DC converters and controllers thereof

#46 | 2017-02-09 ✅ Patent 9,929,573 granted on 2018-03-27

US20170040808A1

Electricity

Modules, systems, and methods for battery balancing

#47 | 2017-01-12 ✅ Patent 9,704,858 granted on 2017-07-11

US20170012040A1

Electricity

Integrated device having multiple transistors

#48 | 2016-12-15 ✅ Patent 9,742,131 granted on 2017-08-22

US20160365805A1

Electricity

Power transfer systems

#49 | 2016-08-18 ✅ Patent 9,698,611 granted on 2017-07-04

US20160241055A1

Electricity

Systems and methods for compensating current in a battery module

#50 | 2016-08-11 ✅ Patent 9,496,723 granted on 2016-11-15

US20160233698A1

Electricity

Systems and methods for battery balancing

#51 | 2016-06-30 ✅ Patent 9,888,544 granted on 2018-02-06

US20160192456A1

Electricity

Driving circuits and methods for controlling light source

#52 | 2016-05-19 ✅ Patent 9,497,812 granted on 2016-11-15

US20160143095A1

Electricity

Circuits for driving light sources

#53 | 2016-05-19 ✅ Patent 9,660,473 granted on 2017-05-23

US20160141892A1

Electricity

Controllers for DC/DC converter

#54 | 2016-03-10 ✅ Patent 9,766,295 granted on 2017-09-19

US20160069960A1

Physics

Coulomb counting using analog-to-frequency conversion

#55 | 2016-01-14 ✅ Patent 9,647,556 granted on 2017-05-09

US20160013713A1

Electricity

DC to DC converters and controllers thereof

#56 | 2015-08-18 ✅ Patent 9,112,763 granted on 2015-08-18

US14322103

Electricity

Device, system and method for bi-phase modulation decoding

#57 | 2015-07-09

US20150191124A1

Performing operations; transporting

MOUNTING SYSTEM FOR ATTACHING MOBILE DEVICE

#58 | 2015-07-02

US20150188411A1

Electricity

DC/DC CONVERTERS AND OUTPUT CIRCUITS THEREOF

#59 | 2015-06-18

US20150168557A1

Physics

METHOD AND A RECEIVER FOR SATELLITE POSITIONING

#60 | 2015-04-02 ✅ Patent 9,819,271 granted on 2017-11-14

US20150092451A1

Electricity

Power converters

#61 | 2015-04-02

US20150091698A1

Performing operations; transporting

ELECTRIC VEHICLES AND METHOD FOR MANAGING ELECTRIC VEHICLES

#62 | 2015-02-26 ✅ Patent 9,151,623 granted on 2015-10-06

US20150057928A1

Physics

Method and apparatus for controlling an electrical device and a wireless charging device

#63 | 2015-02-12

US20150042267A1

Electricity

System and Method for Controlling a Battery

#64 | 2015-02-05 ✅ Patent 9,130,381 granted on 2015-09-08

US20150035475A1

Electricity

Systems and methods for identifying and monitoring a battery charger

#65 | 2015-01-15 ✅ Patent 9,368,981 granted on 2016-06-14

US20150015209A1

Electricity

System and methods for current balancing

#66 | 2014-12-25 ✅ Patent 9,106,134 granted on 2015-08-11

US20140375284A1

Electricity

Power transfer devices

#67 | 2014-12-18

US20140372496A1

Physics

METHOD FOR PERFORMING AND VALIDATING NAVIGATION BIT SYNCHRONIZATION

#68 | 2014-11-27

US20140348275A1

Electricity

SYSTEMS AND METHODS FOR ESTIMATING PSEUDORANGE ERRORS

#69 | 2014-11-27

US20140348213A1

Electricity

RECEIVERS AND METHODS FOR DETECTING FALSE LOCK OF A CARRIER TRACKING LOOP

#70 | 2014-11-27

US20140347220A1

Physics

SATELLITE RECEIVER AND METHOD FOR ASSESSING TRACKING LOOP QUALITY OF SATELLITE RECEIVER

#71 | 2014-11-27

US20140347219A1

Physics

RECEIVERS AND METHODS FOR MULTI-MODE NAVIGATION

#72 | 2014-11-27

US20140347218A1

Physics

APPARATUS AND METHODS FOR DETERMINING STATUS OF A TRACKING LOOP

#73 | 2014-11-27

US20140347216A1

Physics

EPHEMERIS COLLECTION DEVICE AND METHOD

#74 | 2014-09-18 ✅ Patent 9,368,979 granted on 2016-06-14

US20140266072A1

Electricity

System and methods for battery balancing

#75 | 2014-09-18

US20140265908A1

Electricity

CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES

#76 | 2014-09-18 ✅ Patent 8,981,657 granted on 2015-03-17

US20140265907A1

Electricity

Circuits and methods for driving light sources

#77 | 2014-08-07 ✅ Patent 9,397,579 granted on 2016-07-19

US20140218973A1

Electricity

Full-bridge switching DC/DC converters and controllers thereof

#78 | 2014-08-07

US20140217613A1

Electricity

INTEGRATED DEVICE AND FABRICATION PROCESS THEREOF

#79 | 2014-07-24

US20140203962A1

Physics

Method and System for Navigation

#80 | 2014-07-24 ✅ Patent 9,515,508 granted on 2016-12-06

US20140203782A1

Electricity

Battery management system

#81 | 2014-07-10

US20140194161A1

Electricity

APPARATUS FOR MANIPULATING A MOBILE TERMINAL DEVICE

#82 | 2014-07-03 ✅ Patent 9,018,917 granted on 2015-04-28

US20140184164A1

Electricity

Power management systems with charge pumps

#83 | 2014-06-26

US20140180580A1

Physics

MODULE, DEVICE AND METHOD FOR POSITIONING

#84 | 2014-06-05

US20140156209A1

Physics

DEVICES WITH BATTERY REMAINING CAPACITY ESTIMATING FUNCTIONS

#85 | 2014-05-08 ✅ Patent 8,933,744 granted on 2015-01-13

US20140125395A1

Electricity

One-wire communication circuit and one-wire communication method

#86 | 2014-05-08

US20140125139A1

Electricity

METHOD AND APPARATUS FOR WIRELESS POWER TRANSMISSION

#87 | 2014-05-08 ✅ Patent 9,276,435 granted on 2016-03-01

US20140125138A1

Electricity

Method and apparatus for wirelessly receiving power

#88 | 2014-04-03 ✅ Patent 9,209,702 granted on 2015-12-08

US20140092647A1

Electricity

Flyback converter and method for controlling a flyback converter

#89 | 2014-04-03 ✅ Patent 9,386,653 granted on 2016-07-05

US20140091723A1

Electricity

Circuits and methods for driving light sources

#90 | 2014-03-27 ✅ Patent 9,130,378 granted on 2015-09-08

US20140084871A1

Electricity

Systems and methods for balancing battery cells

#91 | 2014-03-13

US20140070986A1

Physics

APPARATUSES AND METHODS FOR TRACKING A NAVIGATION RECEIVER

#92 | 2014-03-06

US20140062780A1

Physics

Method and Apparatus for Synchronizing Navigation Data

#93 | 2014-03-06

US20140062770A1

Physics

Satellite Signal Receiver and Method for Updating Ephemeris Information Thereby

#94 | 2014-03-06

US20140062769A1

Physics

System and Method for Locating a Satellite Signal Receiver

#95 | 2014-03-06

US20140062768A1

Physics

Method and Apparatus for Synchronizing Navigation Data

#96 | 2014-03-06

US20140062767A1

Physics

Method and Apparatus for Synchronizing Navigation Data

#97 | 2014-03-06

US20140062766A1

Physics

Method and Apparatus for Synchronizing Navigation Data

#98 | 2014-02-13 ✅ Patent 9,157,963 granted on 2015-10-13

US20140042995A1

Physics

Method and system for calibrating battery pack voltage based on common-mode calibration parameter and differential-mode calibration parameter

#99 | 2014-01-02

US20140005855A1

Performing operations; transporting

DEVICE AND METHOD FOR CALCULATING A REMAINING MILEAGE OF AN ELECTRIC VEHICLE

#100 | 2014-01-02

US20140001837A1

Electricity

Dual Core DC/DC Module for Electrical Vehicle

Also check out O2Micro Inc.'s (Santa Clara, United States) applicant profile with 87 patent applications submitted.

AssigneeID:

4452 ⎘