Assignee profile:

KEY FOUNDRY CO., LTD.

City:

Cheongju-si

Country:

South Korea

Published Applications:

99

Last publication date:

2024-07-18

Patent Grants:

80

Last grant date:

2024-12-03

Top Inventors for applications by KEY FOUNDRY CO., LTD.

These are the the leading inventors for applications assigned to KEY FOUNDRY CO., LTD.:

Recent patent applications by KEY FOUNDRY CO., LTD.

KEY FOUNDRY CO., LTD. based in Cheongju-si, KR has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2024-07-18 ✅ Patent 12,159,806 granted on 2024-12-03
US20240243132A1
Electricity

Method of manufacturing a semiconductor device with junction FET transistors having multi pinch-off voltages

#2 | 2024-07-11
US20240234522A1
Electricity

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

#3 | 2024-07-11
US20240234296A9
Electricity

SEMICONDUCTOR DEVICE HAVING HIGH BREAKDOWN VOLTAGE CAPACITOR

#4 | 2024-05-30
US20240178839A1
Electricity

BIDIRECTIONAL I/O CIRCUIT AND INTEGRATED CIRCUIT INCLUDING BIDIRECTIONAL I/O CIRCUIT

#5 | 2024-05-23
US20240170547A1
Electricity

Non-Volatile Semiconductor Memory Device and Method of Manufacturing the Same

#6 | 2024-05-16
US20240162282A1
Electricity

MANUFACTURING METHOD OF A SEMICONDUCTOR DEVICE HAVING HIGH-VOLTAGE ISOLATION CAPACITOR

#7 | 2024-04-25
US20240136276A1
Electricity

SEMICONDUCTOR DEVICE HAVING HIGH BREAKDOWN VOLTAGE CAPACITOR

#8 | 2024-04-04
US20240112948A1
Electricity

SEMICONDUCTOR DEVICE AND METHOD HAVING DEEP TRENCH ISOLATION

#9 | 2024-03-28
US20240105838A1
Electricity

HIGH VOLTAGE SEMICONDUCTOR DEVICE HAVING SCHOTTKY BARRIER DIODE

#10 | 2024-03-14 ✅ Patent 12,317,546 granted on 2025-05-27
US20240088247A1
Electricity

Split gate power MOSFET and split gate power MOSFET manufacturing method

#11 | 2024-03-07 ✅ Patent 12,294,381 granted on 2025-05-06
US20240080036A1
Electricity

Analog to digital converter and operation method thereof

#12 | 2024-02-29 ✅ Patent 12,224,025 granted on 2025-02-11
US20240071540A1
Physics

Non-volatile memory device including sense amplifier and method for operating the same

#13 | 2024-02-22
US20240063112A1
Electricity

SEMICONDUCTOR DEVICE HAVING HIGH-VOLTAGE ISOLATION CAPACITOR

#14 | 2024-02-22 ✅ Patent 12,374,614 granted on 2025-07-29
US20240063111A1
Electricity

SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD WITH HIGH-VOLTAGE ISOLATION CAPACITOR

#15 | 2024-02-08
US20240049463A1
Electricity

SINGLE POLY NON-VOLATILE MEMORY DEVICE AND MANUFACTURING METHOD THEREOF

#16 | 2024-02-08
US20240046992A1
Physics

ELECTRICAL FUSE ONE TIME PROGRAMMABLE (OTP) MEMORY

#17 | 2023-12-21 ✅ Patent 12,317,534 granted on 2025-05-27
US20230411519A1
Electricity

High voltage semiconductor device and manufacturing method of high voltage semiconductor device

#18 | 2023-12-14 ✅ Patent 12,230,337 granted on 2025-02-18
US20230402116A1
Physics

Non-volatile memory device having a fuse type memory cell array

#19 | 2023-12-07 ✅ Patent 12,231,144 granted on 2025-02-18
US20230396267A1
Electricity

Analog-to-digital converter and operation method thereof

#20 | 2023-11-30 ✅ Patent 12,349,452 granted on 2025-07-01
US20230387104A1
Electricity

BIPOLAR-CMOS-DMOS SEMICONDUCTOR DEVICE HAVING A DEEP TRENCH ISOLATION STRUCTURE FOR HIGH ISOLATION BREAKDOWN VOLTAGE

#21 | 2023-11-23 ✅ Patent 12,176,402 granted on 2024-12-24
US20230378284A1
Electricity

Semiconductor device with non-volatile memory cell and manufacturing method thereof

#22 | 2023-11-23 ✅ Patent 12,132,048 granted on 2024-10-29
US20230378172A1
Electricity

Semiconductor device with controllable channel length and manufacturing method thereof

#23 | 2023-11-16 ✅ Patent 12,046,629 granted on 2024-07-23
US20230369391A1
Electricity

Semiconductor device with increased isolation breakdown voltage

#24 | 2023-10-05
US20230317777A1
Electricity

SEMICONDUCTOR DEVICE WITH DEEP TRENCH ISOLATION

#25 | 2023-09-28
US20230307075A1
Physics

eFUSE OTP MEMORY DEVICE INCLUDING SERIAL INTERFACE LOGIC AND OPERATION METHOD THEREOF

#26 | 2023-09-12 ✅ Patent 11,756,992 granted on 2023-09-12
US17897528
Electricity

Semiconductor device with increased isolation breakdown voltage

#27 | 2023-08-03 ✅ Patent 11,991,878 granted on 2024-05-21
US20230247830A1
Electricity

Semiconductor device including nonvolatile memory device and logic device and manufacturing method of semiconductor device including nonvolatile memory device and logic device

#28 | 2023-07-27 ✅ Patent 11,848,061 granted on 2023-12-19
US20230238069A1
Physics

Non-volatile memory device including sense amplifier and method for operating the same

#29 | 2023-06-29 ✅ Patent 12,183,639 granted on 2024-12-31
US20230207394A1
Electricity

Semiconductor device having deep trench structure and method of manufacturing thereof

#30 | 2023-05-11 ✅ Patent 11,791,409 granted on 2023-10-17
US20230145810A1
Electricity

High voltage semiconductor device and manufacturing method of high voltage semiconductor device

#31 | 2023-04-27
US20230126337A1
Electricity

SEMICONDUCTOR DEVICE WITH BOOTSTRAP DIODE

#32 | 2023-04-20 ✅ Patent 12,154,614 granted on 2024-11-26
US20230117141A1
Physics

Semiconductor device having a non-voltaile memory with high speed-read operation

#33 | 2023-04-06 ✅ Patent 12,260,915 granted on 2025-03-25
US20230107619A1
Physics

Non-volatile memory device with parallel programming

#34 | 2023-03-23 ✅ Patent 12,243,609 granted on 2025-03-04
US20230087413A1
Physics

Non-volatile memory octo mode program and erase operation method with reduced test time

#35 | 2023-03-16 ✅ Patent 12,354,663 granted on 2025-07-08
US20230082379A1
Physics

EMBEDDED FLASH MEMORY AND WRITE OPERATION METHOD THEREOF

#36 | 2023-03-09 ✅ Patent 12,068,042 granted on 2024-08-20
US20230070554A1
Physics

Multi time program device with power switch and non-volatile memory

#37 | 2023-03-09
US20230070272A1
Electricity

SEMICONDUCTOR DEVICE WITH DIGITAL ISOLATOR CAPACITOR AND MANUFACTURING METHOD THEREOF

#38 | 2023-03-02 ✅ Patent 11,915,767 granted on 2024-02-27
US20230065879A1
Physics

Negative voltage switching device and non-volatile memory device using the same

#39 | 2023-02-23
US20230059628A1
Electricity

SEMICONDUCTOR DEVICE INCLUDING SINGLE POLY NON-VOLATILE MEMORY DEVICE AND METHOD OF MANUFACTURING SAME

#40 | 2023-02-23 ✅ Patent 12,046,312 granted on 2024-07-23
US20230059620A1
Physics

eFUSE one-time programmable memory with inter integrated circuit (I2C) communication and operation method thereof

#41 | 2023-02-23 ✅ Patent 11,825,650 granted on 2023-11-21
US20230053444A1
Electricity

Single poly non-volatile memory device and manufacturing method thereof

#42 | 2023-02-16 ✅ Patent 11,990,909 granted on 2024-05-21
US20230050338A1
Electricity

Low power retention flip-flop

#43 | 2023-02-16 ✅ Patent 11,854,622 granted on 2023-12-26
US20230048824A1
Physics

Electrical fuse one time programmable (OTP) memory

#44 | 2023-02-02
US20230036029A1
Electricity

MANUFACTURING METHOD OF NON-VOLATILE MEMORY DEVICE HAVING UNIFORM DIELECTRIC FILM PROFILE

#45 | 2023-01-26 ✅ Patent 12,356,727 granted on 2025-07-08
US20230023179A1
Electricity

HIGH VOLTAGE SEMICONDUCTOR DEVICE WITH ESD SELF-PROTECTION CAPABILITY AND MANUFACTURING METHOD THEREOF

#46 | 2023-01-19
US20230020162A1
Electricity

SEMICONDUCTOR DEVICE WITH METAL-INSULATOR-METAL (MIM) CAPACITOR AND MIM MANUFACTURING METHOD THEREOF

#47 | 2023-01-19 ✅ Patent 11,799,493 granted on 2023-10-24
US20230019042A1
Electricity

Analog-to-digital converter and operation method thereof

#48 | 2023-01-19 ✅ Patent 12,289,107 granted on 2025-04-29
US20230017888A1
Electricity

Low-power retention flip-flop

#49 | 2023-01-12 ✅ Patent 12,033,806 granted on 2024-07-09
US20230012211A1
Electricity

Method of manufacturing a trench capacitor with wafer bow

#50 | 2023-01-12 ✅ Patent 11,854,817 granted on 2023-12-26
US20230009146A1
Electricity

MANUFACTURING METHOD FOR DEEP TRENCH CAPACITOR WITH SCALLOPED PROFILE

#51 | 2022-12-22 ✅ Patent 12,225,722 granted on 2025-02-11
US20220406802A1
Electricity

Non-volatile memory device including selection gate and manufacturing method thereof

#52 | 2022-12-22 ✅ Patent 12,159,867 granted on 2024-12-03
US20220406771A1
Electricity

Semiconductor device with high-resistance polysilicon resistor formation method

#53 | 2022-12-15 ✅ Patent 12,113,102 granted on 2024-10-08
US20220399437A1
Electricity

Semiconductor device with guard ring isolating power device

#54 | 2022-12-15 ✅ Patent 11,923,368 granted on 2024-03-05
US20220399332A1
Electricity

Semiconductor device with junction FET transistors having multi pinch-off voltages

#55 | 2022-12-08 ✅ Patent 11,862,695 granted on 2024-01-02
US20220393011A1
Electricity

Split gate power MOSFET and split gate power MOSFET manufacturing method

#56 | 2022-12-01 ✅ Patent 12,206,002 granted on 2025-01-21
US20220384595A1
Electricity

Semiconductor device with deep trench isolation mask layout

#57 | 2022-12-01 ✅ Patent 11,856,769 granted on 2023-12-26
US20220384472A1
Electricity

Semiconductor device with single poly non-volatile memory device and manufacturing method

#58 | 2022-12-01
US20220384463A1
Electricity

MASK-PROGRAMMABLE READ ONLY MEMORY WITH ELECTRICALLY ISOLATED CELLS

#59 | 2022-11-24 ✅ Patent 12,034,084 granted on 2024-07-09
US20220376118A1
Electricity

Semiconductor device including poly-silicon junction field-effect transistor and manufacturing method thereof

#60 | 2022-11-10 ✅ Patent 11,757,011 granted on 2023-09-12
US20220359674A1
Electricity

Semiconductor device with non-volatile memory cell and manufacturing method thereof

#61 | 2022-11-03 ✅ Patent 12,051,687 granted on 2024-07-30
US20220352144A1
Electricity

Electrostatic discharge protection device with silicon controlled rectifier protection circuit

#62 | 2022-10-27 ✅ Patent 12,035,637 granted on 2024-07-09
US20220344581A1
Electricity

Semiconductor device with CMOS process based hall sensor and manufacturing method

#63 | 2022-10-27 ✅ Patent 12,356,691 granted on 2025-07-08
US20220344479A1
Electricity

SEMICONDUCTOR DEVICE HAVING LOW ON-RESISTANCE AND LOW PARASITIC CAPACITANCE

#64 | 2022-10-20 ✅ Patent 12,237,337 granted on 2025-02-25
US20220336502A1
Electricity

Display driver semiconductor device and method for manufacturing the same

#65 | 2022-10-06 ✅ Patent 12,191,387 granted on 2025-01-07
US20220320333A1
Electricity

High voltage semiconductor device and manufacturing method thereof

#66 | 2022-09-29 ✅ Patent 12,278,177 granted on 2025-04-15
US20220310513A1
Electricity

Semiconductor device manufacturing method

#67 | 2022-09-22 ✅ Patent 12,062,717 granted on 2024-08-13
US20220302303A1
Electricity

Structure and method for manufacturing a trench power MOSFET

#68 | 2022-09-01 ✅ Patent 12,224,211 granted on 2025-02-11
US20220277960A1
Electricity

Manufacturing method of semiconductor device using gate-through implantation

#69 | 2022-09-01 ✅ Patent 12,327,692 granted on 2025-06-10
US20220277900A1
Electricity

SEMICONDUCTOR DEVICE HAVING A HIGH BREAKDOWN VOLTAGE CAPACITOR AND METHOD FOR FORMING THE SAME

#70 | 2022-08-25 ✅ Patent 11,615,989 granted on 2023-03-28
US20220270932A1
Electricity

Semiconductor device having deep trench structure and method of manufacturing thereof

#71 | 2022-08-18 ✅ Patent 11,688,795 granted on 2023-06-27
US20220262927A1
Electricity

Semiconductor device with controllable channel length and manufacturing method of semiconductor device with controllable channel length

#72 | 2022-08-04 ✅ Patent 11,696,440 granted on 2023-07-04
US20220246627A1
Electricity

Nonvolatile memory device

#73 | 2022-06-23 ✅ Patent 11,538,541 granted on 2022-12-27
US20220199177A1
Physics

Semiconductor device having a diode type electrical fuse (e-fuse) cell array

#74 | 2022-06-16 ✅ Patent 11,764,216 granted on 2023-09-19
US20220189955A1
Electricity

Semiconductor device with controllable channel length and manufacturing method thereof

#75 | 2022-05-19 ✅ Patent 11,665,896 granted on 2023-05-30
US20220157840A1
Electricity

Semiconductor device including nonvolatile memory device and logic device and manufacturing method of semiconductor device including nonvolatile memory device and logic device

#76 | 2022-02-24 ✅ Patent 11,532,741 granted on 2022-12-20
US20220059689A1
Electricity

Semiconductor device having vertical DMOS and manufacturing method thereof

#77 | 2022-02-03 ✅ Patent 11,469,320 granted on 2022-10-11
US20220037525A1
Electricity

High voltage semiconductor device having bootstrap diode

#78 | 2021-12-02 ✅ Patent 11,581,434 granted on 2023-02-14
US20210376147A1
Electricity

High voltage semiconductor device and manufacturing method of high voltage semiconductor device

#79 | 2021-11-04 ✅ Patent 11,631,616 granted on 2023-04-18
US20210343598A1
Electricity

Semiconductor and method of fabricating the same

#80 | 2021-09-02 ✅ Patent 11,373,872 granted on 2022-06-28
US20210272811A1
Electricity

Manufacturing method of semiconductor device using gate-through implantation

#81 | 2021-08-05 ✅ Patent 11,328,783 granted on 2022-05-10
US20210241841A1
Physics

Semiconductor device having a diode type electrical fuse (e-fuse) cell array

#82 | 2021-04-29 ✅ Patent 11,145,379 granted on 2021-10-12
US20210125678A1
Physics

Electronic fuse cell array structure

#83 | 2021-04-29 ✅ Patent 11,024,398 granted on 2021-06-01
US20210125677A1
Physics

Semiconductor device having a diode type electrical fuse (e-fuse) cell array

#84 | 2021-04-08 ✅ Patent 11,121,253 granted on 2021-09-14
US20210104630A1
Electricity

High voltage semiconductor device and manufacturing method of high voltage semiconductor device

#85 | 2021-03-18 ✅ Patent 11,127,749 granted on 2021-09-21
US20210082938A1
Electricity

Single poly non-volatile memory device, method of manufacturing the same and single poly non-volatile memory device array

#86 | 2021-03-04 ✅ Patent 11,367,661 granted on 2022-06-21
US20210066134A1
Electricity

Semiconductor device having deep trench structure and method of manufacturing thereof

#87 | 2021-01-28 ✅ Patent 11,362,197 granted on 2022-06-14
US20210028298A1
Electricity

Semiconductor device with controllable channel length and manufacturing method of semiconductor device with controllable channel length

#88 | 2021-01-28 ✅ Patent 11,289,498 granted on 2022-03-29
US20210028183A1
Electricity

Semiconductor device including nonvolatile memory device and logic device and manufacturing method of semiconductor device including nonvolatile memory device and logic device

#89 | 2021-01-28 ✅ Patent 11,322,492 granted on 2022-05-03
US20210028166A1
Electricity

Semiconductor device with controllable channel length and manufacturing method thereof

#90 | 2021-01-07 ✅ Patent 11,348,931 granted on 2022-05-31
US20210005622A1
Electricity

Nonvolatile memory device

#91 | 2020-12-03 ✅ Patent 10,950,614 granted on 2021-03-16
US20200381445A1
Electricity

Single poly non-volatile memory device, method of manufacturing the same and single poly non-volatile memory device array

#92 | 2020-11-26 ✅ Patent 11,056,482 granted on 2021-07-06
US20200373293A1
Electricity

Semiconductor device with electrostatic discharge protection

#93 | 2020-10-29 ✅ Patent 11,018,060 granted on 2021-05-25
US20200343145A1
Electricity

Semiconductor device having deep trench structure and method of manufacturing thereof

#94 | 2020-04-02 ✅ Patent 10,923,603 granted on 2021-02-16
US20200105947A1
Electricity

Semiconductor device comprising Schottky barrier diodes

#95 | 2020-02-06 ✅ Patent 11,088,031 granted on 2021-08-10
US20200043801A1
Electricity

Semiconductor and method of fabricating the same

#96 | 2020-01-16 ✅ Patent 10,978,587 granted on 2021-04-13
US20200020801A1
Electricity

Semiconductor device

#97 | 2019-08-01 ✅ Patent 10,867,677 granted on 2020-12-15
US20190237140A1
Physics

Single poly multi time program cell and method of operating the same

#98 | 2019-06-27 ✅ Patent 10,985,074 granted on 2021-04-20
US20190198401A1
Electricity

Method of manufacturing a CMOS transistor

#99 | 2019-05-16 ✅ Patent 10,916,419 granted on 2021-02-09
US20190148139A1
Electricity

Insulator, capacitor with the same and fabrication method thereof, and method for fabricating semiconductor device

Also check out KEY FOUNDRY CO., LTD.'s (Cheongju-si, South Korea) applicant profile with 55 patent applications submitted.

AssigneeID:

306168 ⎘