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For the Inventor, By the Inventor

Mie, Japan

Sumitomo Wiring Systems, Limited


USPTO Granted Patents = 6,171



Trademarks = 8

Forward Citations = 35,788

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2,624 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 (95 out of 97 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 (78 out of 79 patents)

10.  Osamu Nakayama (78 out of 78 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

6,171 patents:

1. 12513021 - In-vehicle device, in-vehicle network system, and information processing method (2025-12-30),
2. 12512636 - Connector device capable of suppressing increase in projection area of board-side connector (2025-12-30),
3. 12512631 - Shielded electrical connector for mounting on a circuit board with an inner conductor and outer conductor (2025-12-30),
4. 12512627 - Shield connector (2025-12-30),
5. 12512621 - Lever-type connector (2025-12-30),
6. 12512620 - Connector (2025-12-30),
7. 12512618 - Connector with a terminal that is biased to one side by an elastic member (2025-12-30),
8. 12512617 - Connector with correcting portion for lock arm (2025-12-30),
9. 12512616 - Connector with nested spring members (2025-12-30),
10. 12512614 - Surface mount connector (2025-12-30),
11. 12512609 - Current branching device (2025-12-30),
12. 12512233 - Wire harness and electric compressor (2025-12-30),
13. 12509570 - Metal-containing additive, crosslinkable polymer composition, crosslinked polymer material, metal member, and wire harness (2025-12-30),
14. 12506378 - Multi-phase motor insulating structure and multi-phase motor (2025-12-23),
15. 12506227 - Wiring module (2025-12-23),
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 30 2025

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6,171 Patents

#1 in Mie

#37 in Japan

#127 in the World

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Mie, Japan

Sumitomo Wiring Systems, Limited

Forward Citations = 35,788

2,624 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 (95 out of 97 patents)

5.  Makoto Higashikozono (94 out of 97 patents)

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