Assignee profile:

CITIZEN WATCH CO., LTD.

City:

Tokyo

Country:

Japan

Published Applications:

395

Last publication date:

2026-06-04

Patent Grants:

378

Last grant date:

2025-07-29

Quarterly CITIZEN WATCH CO., LTD. Patent Applications

Top Inventors for applications by CITIZEN WATCH CO., LTD.

These are the the leading inventors for applications assigned to CITIZEN WATCH CO., LTD.:

Recent patent applications by CITIZEN WATCH CO., LTD.

CITIZEN WATCH CO., LTD. based in Tokyo, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2026-06-04
US20260153573A1
Physics

MAGNETIC FILM AND MAGNETIC FIELD SENSOR HEAD

#2 | 2026-01-15
US20260014629A1
Performing operations; transporting

WORKPIECE TRANSFER DEVICE AND MACHINE TOOL

#3 | 2025-10-16
US20250320585A1
Chemistry; metallurgy

Fe-Mn ALLOY, HAIRSPRING FOR TIMEPIECE, AND METHOD FOR PRODUCING Fe-Mn ALLOY

#4 | 2025-07-10
US20250222548A1
Performing operations; transporting

MACHINE TOOL

#5 | 2025-06-19 ✅ Patent 12,370,822 granted on 2025-07-29
US20250196524A1
Performing operations; transporting

PRINTER AND BOOKBINDING ASSISTING TOOL

#6 | 2025-06-19
US20250196282A1
Performing operations; transporting

MACHINE TOOL AND CONTROL DEVICE FOR MACHINE TOOL

#7 | 2025-03-13
US20250089434A1
Electricity

PHOTOELECTRIC CONVERSION ELEMENT

#8 | 2025-01-23 ✅ Patent 12,617,649 granted on 2026-05-05
US20250026604A1
Performing operations; transporting

PAPER CREASING DEVICE AND PRINTER

#9 | 2024-08-01 ✅ Patent 12,130,201 granted on 2024-10-29
US20240255382A1
Physics

Pressure detection device with detachable temperature reducing buffer member

#10 | 2024-05-02 ✅ Patent 12,514,458 granted on 2026-01-06
US20240138686A1
Human necessities

DEVICE, METHOD, AND PROGRAM FOR INFERRING BLOOD PRESSURE INFORMATION

#11 | 2024-04-18 ✅ Patent 12,429,827 granted on 2025-09-30
US20240126212A1
Physics

MECHANICAL TIMEPIECE

#12 | 2024-03-21 ✅ Patent 12,651,326 granted on 2026-06-09
US20240095901A1
Physics

INFORMATION DISPLAY DEVICE, INFORMATION DISPLAY METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

#13 | 2024-01-04 ✅ Patent 12,360,180 granted on 2025-07-15
US20240003994A1
Physics

MAGNETIC FIELD SENSOR HEAD AND METHOD FOR MANUFACTURING SAME

#14 | 2023-11-16 ✅ Patent 12,426,816 granted on 2025-09-30
US20230363680A1
Human necessities

EMOTION ASSESSMENT APPARATUS, EMOTION ASSESSMENT METHOD AND EMOTION ASSESSMENT PROGRAM

#15 | 2023-09-21 ✅ Patent 12,443,143 granted on 2025-10-14
US20230297029A1
Physics

TRAIN WHEEL HOLDING STRUCTURE AND TIMEPIECE

#16 | 2023-09-21 ✅ Patent 12,427,613 granted on 2025-09-30
US20230294227A1
Performing operations; transporting

TOOLING EXCHANGE MECHANISM AND MACHINE TOOL HAVING THE TOOLING EXCHANGE MECHANISM

#17 | 2023-09-14 ✅ Patent 11,855,575 granted on 2023-12-26
US20230291338A1
Electricity

Step motor drive device

#18 | 2023-06-15 ✅ Patent 12,269,111 granted on 2025-04-08
US20230182230A1
Performing operations; transporting

Machine tool and control method of machine tool

#19 | 2023-03-16 ✅ Patent 11,733,069 granted on 2023-08-22
US20230081307A1
Physics

Position transducer and method for manufacturing the same comprising a pair of photodiodes surround the entirety of a predetermined region and have an annular shape

#20 | 2023-02-16 ✅ Patent 12,337,402 granted on 2025-06-24
US20230050486A1
Performing operations; transporting

MACHINING DEVICE, MACHINING METHOD AND CUTTING TOOL

#21 | 2022-11-10 ✅ Patent 12,296,394 granted on 2025-05-13
US20220355390A1
Performing operations; transporting

Chuck device

#22 | 2022-10-27
US20220342370A1
Physics

ELECTRONIC WATCH

#23 | 2022-10-20 ✅ Patent 12,073,570 granted on 2024-08-27
US20220335625A1
Physics

Video generation device

#24 | 2022-10-06
US20220314332A1
Performing operations; transporting

MACHINE TOOL AND CONTROL DEVICE FOR MACHINE TOOL

#25 | 2022-09-01 ✅ Patent 12,000,783 granted on 2024-06-04
US20220276165A1
Physics

Device for detecting substance being measured

#26 | 2022-08-25 ✅ Patent 11,892,479 granted on 2024-02-06
US20220268818A1
Physics

Interference type optical magnetic field sensor device

#27 | 2022-08-11 ✅ Patent 12,271,175 granted on 2025-04-08
US20220253036A1
Physics

Tool information setting device and machine tool

#28 | 2022-08-04 ✅ Patent 11,756,939 granted on 2023-09-12
US20220246588A1
Electricity

Light emitting element with particular phosphors

#29 | 2022-07-14 ✅ Patent 12,311,485 granted on 2025-05-27
US20220219273A1
Performing operations; transporting

Coolant supply device and machine tool

#30 | 2022-07-07 ✅ Patent 11,880,168 granted on 2024-01-23
US20220214649A1
Physics

Timepiece

#31 | 2022-05-26 ✅ Patent 12,214,434 granted on 2025-02-04
US20220161339A1
Performing operations; transporting

Machine tool and control device for machine tool

#32 | 2022-05-05 ✅ Patent 11,626,546 granted on 2023-04-11
US20220140207A1
Electricity

LED package and method for manufacturing same

#33 | 2022-04-07 ✅ Patent 11,747,408 granted on 2023-09-05
US20220107370A1
Physics

Interference type photomagnetic field sensor device

#34 | 2022-03-24 ✅ Patent 12,032,333 granted on 2024-07-09
US20220091561A1
Physics

Time difference correction mechanism and timepiece with time difference correction mechanism

#35 | 2022-03-03 ✅ Patent 12,216,433 granted on 2025-02-04
US20220066392A1
Physics

Electronic time piece

#36 | 2022-02-24 ✅ Patent 12,204,283 granted on 2025-01-21
US20220057752A1
Physics

Reciprocating display mechanism and timepiece

#37 | 2021-12-02 ✅ Patent 12,090,596 granted on 2024-09-17
US20210370455A1
Performing operations; transporting

Control device for machine tool and machine tool

#38 | 2021-11-25 ✅ Patent 11,563,386 granted on 2023-01-24
US20210367535A1
Electricity

Electromechanical transducer and method for manufacturing same

#39 | 2021-11-18 ✅ Patent 11,306,884 granted on 2022-04-19
US20210356087A1
Mechanical engineering

Planar light-emitting device

#40 | 2021-10-07 ✅ Patent 11,975,414 granted on 2024-05-07
US20210308774A1
Performing operations; transporting

Tool rest and machine tool

#41 | 2021-09-30 ✅ Patent 12,048,959 granted on 2024-07-30
US20210299732A1
Performing operations; transporting

Rod member feeding device, machine tool including the rod member feeding device and control method for the rod member feeding device

#42 | 2021-08-26 ✅ Patent 11,378,920 granted on 2022-07-05
US20210263474A1
Physics

Step motor driving device

#43 | 2021-08-26 ✅ Patent 11,820,617 granted on 2023-11-21
US20210261375A1
Performing operations; transporting

Printer

#44 | 2021-08-19 ✅ Patent 11,706,839 granted on 2023-07-18
US20210259049A1
Electricity

Portable communication device cooperation system, master portable communication device, and slave portable communication device

#45 | 2021-08-19 ✅ Patent 12,024,764 granted on 2024-07-02
US20210254204A1
Chemistry; metallurgy

Method for manufacturing golden member and golden member

#46 | 2021-07-22 ✅ Patent 11,408,066 granted on 2022-08-09
US20210222285A1
Chemistry; metallurgy

Decorative member and method for producing the same

#47 | 2021-07-15 ✅ Patent 11,127,544 granted on 2021-09-21
US20210217564A1
Electricity

Spring and switch

#48 | 2021-06-24 ✅ Patent 12,140,908 granted on 2024-11-12
US20210191329A1
Physics

Timepiece display plate, timepiece, and method of manufacturing timepiece display plate

#49 | 2021-05-06 ✅ Patent 11,243,518 granted on 2022-02-08
US20210132918A1
Physics

Computer program production system, computer program, and production terminal instrument

#50 | 2021-05-06 ✅ Patent 11,376,865 granted on 2022-07-05
US20210129554A1
Performing operations; transporting

Printer

#51 | 2021-04-22 ✅ Patent 11,848,126 granted on 2023-12-19
US20210118591A1
Electricity

Cable stopper structure and image forming apparatus

#52 | 2021-04-15 ✅ Patent 11,054,700 granted on 2021-07-06
US20210109405A1
Physics

Backlight

#53 | 2021-04-15 ✅ Patent 11,207,897 granted on 2021-12-28
US20210107294A1
Performing operations; transporting

Printing jig and method for manufacturing printed objects

#54 | 2021-02-11 ✅ Patent 12,105,478 granted on 2024-10-01
US20210041835A1
Physics

Variation reduction mechanism of stop position of pointer

#55 | 2021-02-04 ✅ Patent 11,687,035 granted on 2023-06-27
US20210034017A1
Physics

Display panel

#56 | 2021-01-14 ✅ Patent 12,031,204 granted on 2024-07-09
US20210010122A1
Chemistry; metallurgy

Titanium member, method for manufacturing titanium member, and decorative article including titanium member

#57 | 2020-12-31 ✅ Patent 12,569,745 granted on 2026-03-10
US20200406000A1
Human necessities

HEART RATE CONTROL DEVICE

#58 | 2020-12-03 ✅ Patent 11,226,593 granted on 2022-01-18
US20200379411A1
Physics

Analog electronic watch system and analog electronic watch

#59 | 2020-11-12
US20200354825A1
Chemistry; metallurgy

BLACK MEMBER, METHOD FOR MANUFACTURING BLACK MEMBER, AND TIMEPIECE INCLUDING BLACK MEMBER

#60 | 2020-10-22 ✅ Patent 11,422,511 granted on 2022-08-23
US20200333749A1
Physics

Step motor drive device and circuit

#61 | 2020-10-22 ✅ Patent 11,376,697 granted on 2022-07-05
US20200331072A1
Performing operations; transporting

Tool holding device and machine tool

#62 | 2020-10-15 ✅ Patent 11,270,855 granted on 2022-03-08
US20200328041A1
Electricity

Movable contact body for switch, and switch

#63 | 2020-10-15 ✅ Patent 10,850,541 granted on 2020-12-01
US20200324561A1
Performing operations; transporting

Printer

#64 | 2020-10-08 ✅ Patent 11,046,090 granted on 2021-06-29
US20200316960A1
Performing operations; transporting

Printer

#65 | 2020-10-01 ✅ Patent 11,256,236 granted on 2022-02-22
US20200310393A1
Physics

Abnormality detection device and machine tool including abnormality detection device

#66 | 2020-10-01 ✅ Patent 11,435,415 granted on 2022-09-06
US20200309869A1
Physics

Magnetic sensor element and magnetic sensor device

#67 | 2020-09-17 ✅ Patent 11,650,548 granted on 2023-05-16
US20200293000A1
Physics

Timepiece

#68 | 2020-09-17 ✅ Patent 11,059,688 granted on 2021-07-13
US20200290836A1
Performing operations; transporting

Printer

#69 | 2020-09-17 ✅ Patent 10,773,533 granted on 2020-09-15
US20200290374A1
Performing operations; transporting

Printer

#70 | 2020-09-10 ✅ Patent 11,375,043 granted on 2022-06-28
US20200287989A1
Electricity

Program management system, external device and terminal device for controlling a program developer's ability to access, publish and manage marketing of a program

#71 | 2020-09-10 ✅ Patent 11,537,093 granted on 2022-12-27
US20200285211A1
Physics

Mobile device and mobile device system

#72 | 2020-09-10 ✅ Patent 11,517,991 granted on 2022-12-06
US20200282502A1
Performing operations; transporting

Machine tool including vibration restriction means

#73 | 2020-08-27 ✅ Patent 11,556,091 granted on 2023-01-17
US20200272104A1
Physics

Timepiece

#74 | 2020-08-27 ✅ Patent 10,870,295 granted on 2020-12-22
US20200269617A1
Performing operations; transporting

Ink ribbon support mechanism, and printer

#75 | 2020-08-20 ✅ Patent 10,937,607 granted on 2021-03-02
US20200266011A1
Electricity

Electronic switch and remote control device including electronic switch

#76 | 2020-08-13 ✅ Patent 11,491,548 granted on 2022-11-08
US20200254642A1
Performing operations; transporting

Machine tool system that restricts parallel execution of predetermined operations by different tools

#77 | 2020-08-06 ✅ Patent 11,069,277 granted on 2021-07-20
US20200251037A1
Physics

Display system, mobile device and wearable device

#78 | 2020-07-30
US20200243733A1
Electricity

LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME

#79 | 2020-07-30 ✅ Patent 11,224,952 granted on 2022-01-18
US20200238465A1
Performing operations; transporting

Machine tool

#80 | 2020-07-09 ✅ Patent 10,946,450 granted on 2021-03-16
US20200215617A1
Performing operations; transporting

Machine tool

#81 | 2020-07-02 ✅ Patent 11,054,809 granted on 2021-07-06
US20200209835A1
Physics

Control device for machine tool

#82 | 2020-07-02 ✅ Patent 11,567,454 granted on 2023-01-31
US20200209809A1
Physics

Electromechanical transducer and electronic timepiece

#83 | 2020-07-02 ✅ Patent 11,052,463 granted on 2021-07-06
US20200206821A1
Performing operations; transporting

Turret tool post

#84 | 2020-06-25
US20200204087A1
Electricity

POWER GENERATION SYSTEM AND PORTABLE WATCH

#85 | 2020-06-25 ✅ Patent 11,614,713 granted on 2023-03-28
US20200201257A1
Physics

Timepiece

#86 | 2020-06-25 ✅ Patent 11,484,947 granted on 2022-11-01
US20200198016A1
Performing operations; transporting

Machine tool

#87 | 2020-05-21 ✅ Patent 11,446,781 granted on 2022-09-20
US20200156200A1
Performing operations; transporting

Control device for machine tool and machine tool

#88 | 2020-05-07 ✅ Patent 11,101,748 granted on 2021-08-24
US20200144937A1
Electricity

Method of manufacturing an electrostatic induction transducer, electrostatic induction transducer, and wristwatch

#89 | 2020-04-02 ✅ Patent 11,181,864 granted on 2021-11-23
US20200103828A1
Physics

Timepiece with increased information view ability

#90 | 2020-04-02 ✅ Patent 11,253,924 granted on 2022-02-22
US20200101538A1
Performing operations; transporting

Control device for machine tool and machine tool

#91 | 2020-03-26 ✅ Patent 11,084,101 granted on 2021-08-10
US20200094327A1
Performing operations; transporting

Machine tool and control device for the machine tool

#92 | 2020-03-12 ✅ Patent 11,681,260 granted on 2023-06-20
US20200081404A1
Physics

Electronic watch

#93 | 2020-03-05 ✅ Patent 11,303,225 granted on 2022-04-12
US20200076327A1
Electricity

Electrostatic motor

#94 | 2020-01-16 ✅ Patent 11,086,273 granted on 2021-08-10
US20200019124A1
Physics

Drive circuit for two-coil step motor

#95 | 2019-12-12 ✅ Patent 11,342,312 granted on 2022-05-24
US20190378824A1
Electricity

Light emitting element with particular phosphors

#96 | 2019-12-12 ✅ Patent 11,015,240 granted on 2021-05-25
US20190376175A1
Chemistry; metallurgy

Hard decorative member and method for manufacturing the same

#97 | 2019-12-05 ✅ Patent 10,825,963 granted on 2020-11-03
US20190371979A1
Electricity

Light-emitting device and method for manufacturing same

#98 | 2019-11-14 ✅ Patent 11,813,889 granted on 2023-11-14
US20190344606A1
Performing operations; transporting

Decorative component and method for manufacturing the same

#99 | 2019-10-31 ✅ Patent 10,733,875 granted on 2020-08-04
US20190333367A1
Physics

Detection device, information input device, and watching system

#100 | 2019-10-03 ✅ Patent 11,656,580 granted on 2023-05-23
US20190302699A1
Physics

Electronic watch

Also check out CITIZEN WATCH CO., LTD.'s (Tokyo, Japan) applicant profile with 215 patent applications submitted.

AssigneeID:

18344 ⎘