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For the Inventor, By the Inventor

Tokyo, Japan

Yazaki Corporation

Calculating rank
USPTO Granted Patents = 8,397

% Expired Patents = 16.2



Trademarks = 11

Forward Citations = 66,758

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3,514 inventors (with patents filed for the assignee):

goldMedal Takayoshi Endo (143 out of 264 patents)

silverMedal Masaru Fukuda (122 out of 122 patents)

bronzeMedal Toshiaki Okabe (110 out of 110 patents)

4.  Masanori Tsuji (109 out of 111 patents)

5.  Hideomi Adachi (103 out of 103 patents)

6.  Sakai Yagi (93 out of 147 patents)

7.  Tomohiro Ikeda (90 out of 101 patents)

8.  Motohisa Kashiyama (90 out of 91 patents)

9.  Shinji Kodama (84 out of 84 patents)

10.  Hidehiko Kuboshima (80 out of 81 patents)

11.  Isao Kameyama (79 out of 79 patents)

12.  Hajime Kato (78 out of 93 patents)

13.  Yuji Hatagishi (78 out of 78 patents)

14.  Takao Murakami (77 out of 84 patents)

15.  Kei Sato (75 out of 87 patents)


Core Competencies:
Wire Harness
Electrical Connector
Connector Lock Device
Vehicle Display Device
Power Supply System
Current Sensor
Charger
Terminal Fitting
Liquid Level Detector
Noise Reduction Tool
Additive Manufacturing
Carbon Nanotube Composite

8,397 patents:

1. 12776603 - Spacer for locking multiple terminals in an electrical connector housing (2026-10-27),
2. 12773916 - Vehicle charging system (2026-10-27),
3. 12771104 - Wire harness protection member and method of manufacturing protection member-equipped wire harness (2026-10-20),
4. 12771078 - Terminal connecting structure, connector, and connecting conductor (2026-10-20),
5. 12771064 - Lever type connector (2026-10-20),
6. 12771060 - Connector including packing with protruded piece and raised part that are locked to holder (2026-10-20),
7. 12771055 - Connection terminal with plurality of bending parts having thin-walled portions (2026-10-20),
8. 12771049 - Crimp terminal (2026-10-20),
9. 12770946 - Mounting structure of temperature sensor (2026-10-20),
10. 12770756 - Shielding wire (2026-10-20),
11. 12770538 - Vehicle display device (2026-10-20),
12. 12768904 - Ground fault detection apparatus, control method thereof, and control program (2026-10-20),
13. 12768380 - Component assembly structure (2026-10-20),
14. 12767075 - Power supply apparatus (2026-10-20),
15. 12767072 - Routing structure (2026-10-20),
Company Overview
Yazaki Corporation, headquartered in Tokyo, Japan, is a leading global provider of wire harness technology and related components. The company specializes in the development and manufacturing of essential automotive electrical systems, including wire harnesses, electrical connectors, and connector lock devices. Yazaki's expertise extends to vehicle display devices, power supply systems, current sensors, chargers, and terminal fittings, positioning it as a key player in the automotive industry and contributing to advancements in vehicle connectivity and efficiency.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Yazaki Corporation USPTO Patent Assignee Logo
8,397 Patents

#15 in Tokyo

#30 in Japan

#96 in the World

Tokyo, JP
Tokyo, Japan

Yazaki Corporation

Forward Citations = 66,758

3,514 inventors:

goldMedal Takayoshi Endo (143 out of 264 patents)

silverMedal Masaru Fukuda (122 out of 122 patents)

bronzeMedal Toshiaki Okabe (110 out of 110 patents)

4.  Masanori Tsuji (109 out of 111 patents)

5.  Hideomi Adachi (103 out of 103 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yazaki Corporation. Retrieved from https://idiyas.com/company/yazaki

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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