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For the Inventor, By the Inventor

Mie, Japan

Sumitomo Wiring Systems, Limited


USPTO Granted Patents = 6,146



Trademarks = 11

Forward Citations = 35,675

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2,602 inventors (with patents filed for the assignee):

goldMedal Hiroki Hirai (169 out of 187 patents)

silverMedal Masaaki Tabata (113 out of 138 patents)

bronzeMedal Hajime Kawase (103 out of 106 patents)

4.  Toshifumi Ichio (94 out of 96 patents)

5.  Makoto Higashikozono (94 out of 97 patents)

6.  Yasuo Omori (93 out of 95 patents)

7.  Hideto Nakamura (86 out of 86 patents)

8.  Housei Mizuno (85 out of 85 patents)

9.  Hiroyoshi Maesoba (77 out of 78 patents)

10.  Osamu Nakayama (77 out of 77 patents)

11.  Tsutomu Tanaka (72 out of 80 patents)

12.  Takeshi Hagihara (67 out of 70 patents)

13.  Yukihiro Fukatsu (65 out of 65 patents)

14.  Ryotaro Ishikawa (62 out of 62 patents)

15.  Toshikazu Sakurai (62 out of 65 patents)


Core Competencies:
Electromagnetic Shielding
Circuit Assembly
Vehicle Communication System
Electrical Connection Unit
Wiring Module
High-Voltage Connector
Wire Harness
Electrical Junction Box
Power Conversion Device
Detection Device
Connector Technology
Energy Storage Module

6,146 patents:

1. 12494553 - Wiring module (2025-12-09),
2. 12490383 - Circuit assembly (2025-12-02),
3. 12489814 - Management device, vehicle communication system, vehicle, vehicle communication management method, and vehicle communication management program (2025-12-02),
4. 12488101 - Detection device, detection method and detection program (2025-12-02),
5. 12486899 - Seal cover (2025-12-02),
6. 12485649 - Electromagnetic shielding conductive sheet with metallic plate (2025-12-02),
7. 12484201 - Electric device with immersed electronic components and elongated busbar forming an upward flow (2025-11-25),
8. 12484162 - Electric distribution box with carrier (2025-11-25),
9. 12482978 - Connector (2025-11-25),
10. 12482963 - Press-fit terminal and connector device (2025-11-25),
11. 12482578 - Wiring member (2025-11-25),
12. 12477665 - Electrical junction box (2025-11-18),
13. 12476448 - Wire harness (2025-11-18),
14. 12476442 - Electrical connection box (2025-11-18),
15. 12476414 - Wiring member (2025-11-18),
Sumitomo Wiring Systems, Limited is a global manufacturer and provider of wiring harnesses and related electrical components for various industries including automotive, aerospace, and medical. With a strong focus on innovation, quality, and customer satisfaction, the company offers advanced solutions for efficient and reliable electrical systems. Visit their website for more information.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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6,146 Patents

#1 in Mie

#37 in Japan

#128 in the World

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Mie, Japan

Sumitomo Wiring Systems, Limited

Forward Citations = 35,675

2,602 inventors:

goldMedal Hiroki Hirai (169 out of 187 patents)

silverMedal Masaaki Tabata (113 out of 138 patents)

bronzeMedal Hajime Kawase (103 out of 106 patents)

4.  Toshifumi Ichio (94 out of 96 patents)

5.  Makoto Higashikozono (94 out of 97 patents)

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