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For the Inventor, By the Inventor

Kanagawa, Japan

Unisia Jecs Corporation


USPTO Granted Patents = 556


Trademarks = 2

Forward Citations = 6,326

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382 inventors (with patents filed for the assignee):

goldMedal Naoki Tomisawa (44 out of 45 patents)

silverMedal Seinosuke Hara (34 out of 77 patents)

bronzeMedal Kenichi Machida (31 out of 78 patents)

4.  Satoru Watanabe (22 out of 65 patents)

5.  Mitsuo Sasaki (19 out of 32 patents)

6.  Akira Uchikawa (18 out of 21 patents)

7.  Shigeo Ohkuma (17 out of 25 patents)

8.  Hajime Hosoya (16 out of 37 patents)

9.  Hirokazu Shimizu (15 out of 37 patents)

10.  Masuo Kashiwabara (15 out of 25 patents)

11.  Makoto Nakamura (14 out of 133 patents)

12.  Yoshihiko Yamada (14 out of 40 patents)

13.  Masato Kumagai (14 out of 23 patents)

14.  Hisatomo Ohki (13 out of 24 patents)

15.  Nobuyuki Ohtsu (13 out of 23 patents)


Core Competencies:
Fuel Injection Valve
Valve Timing Control
Hydraulic Pump Unit
Air-Fuel Ratio Control
Combustion Control Apparatus
Anti-Skid Control System
Variable Valve Timing
Piston Design
Transmission System
Cylinder Discrimination
Fluid Flow Meter
Anodic Treatment

556 patents:

1. 7204433 - Method of manufacturing a fuel injection valve (2007-04-17),
2. 6905530 - Metallic powder-molded body, re-compacted body of the molded body, sintered body produced from the re-compacted body, and processes for production thereof (2005-06-14),
3. 6868812 - Valve timing control system for internal combustion engine (2005-03-22),
4. 6863037 - Control unit for variable valve timing mechanism (2005-03-08),
5. 6848404 - Oil pressure control apparatus for an internal combustion engine (2005-02-01),
6. 6837694 - Hydraulic pump unit with orifice plate for vehicle brake control system (2005-01-04),
7. 6832585 - Valve timing controller of internal combustion engine (2004-12-21),
8. 6821408 - Method and apparatus for an anodic treatment (2004-11-23),
9. 6820024 - System and method for calibrating control unit (2004-11-16),
10. 6814851 - Method and apparatus for an anodic treatment (2004-11-09),
11. 6814311 - Fuel injection valve (2004-11-09),
12. 6811104 - Fuel injection valve (2004-11-02),
13. 6805309 - Fuel injector and method of manufacturing the same (2004-10-19),
14. 6805106 - Fuel-injection system (2004-10-19),
15. 6805096 - Cylinder judgment apparatus and cylinder judgment method of engine (2004-10-19),
Unisia Jecs Corporation is a leading automotive parts manufacturing company headquartered in Hiroshima, Japan. With over 50 years of experience in the industry, Unisia Jecs specializes in the development and production of fuel injection systems, electronic control units, as well as various sensors for automobiles. The company's advanced technologies and innovative solutions have earned them a reputation for delivering high-quality and reliable products to their global customer base. Through continuous innovation and commitment to excellence, Unisia Jecs aims to contribute to the advancement of the automotive industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

556 Patents

#8 in Kanagawa

#344 in Japan

#1,695 in the World

...
Kanagawa, Japan

Unisia Jecs Corporation

Forward Citations = 6,326

382 inventors:

goldMedal Naoki Tomisawa (44 out of 45 patents)

silverMedal Seinosuke Hara (34 out of 77 patents)

bronzeMedal Kenichi Machida (31 out of 78 patents)

4.  Satoru Watanabe (22 out of 65 patents)

5.  Mitsuo Sasaki (19 out of 32 patents)

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