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Tokai Trw & Co., Ltd.

USPTO Granted Patents = 32

Forward Citations = 415

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25 inventors (with patents filed for the assignee):

Michio Abe (16 out of 19 patents)

Naoyuki Maeda (14 out of 16 patents)

Seiichiro Kumagai (2 out of 2 patents)

4. Susumu Toki (2 out of 9 patents)

5. Takahiro Okuyama (2 out of 4 patents)

6. Masahito Ishihara (2 out of 2 patents)

7. Kunio Takeuchi (2 out of 2 patents)

8. Kiyoshi Nagae (2 out of 2 patents)

9. Takeshi Tanaka (1 out of 9 patents)

10. Masahito Iwata (1 out of 2 patents)

11. Shigemitu Adachi (1 out of 1 patent)

12. Yasunobu Mitoya (1 out of 2 patents)

13. Hirotaka Kanazawa (1 out of 36 patents)

14. Masaaki Kato (1 out of 2 patents)

15. Keita Ozeki (1 out of 2 patents)

32 patents: Sort by Forward Citations

1. 4932234 - Method of forming tappet adjusting screws (1990-06-12),

2. 4916788 - Method of manufacturing ball joint (1990-04-17),

3. 4880329 - Joint (1989-11-14),

4. 4856607 - Apparatus for automatically setting steering center for use in power (1989-08-15),

5. 4802544 - Electric power steering apparatus having motor braking function (1989-02-07),

6. 4785901 - Rack and pinion steering gear with electric power assistance (1988-11-22),

7. 4768554 - Control valve (1988-09-06),

8. 4768268 - Method for manufacturing a single-piece type valve sleeve (1988-09-06),

9. 4759419 - Vehicle speed responsive power steering assembly (1988-07-26),

10. 4709593 - Steering mechanism for automobile (1987-12-01),

11. 4694927 - Vehicular speed responsive power steering device (1987-09-22),

12. 4658770 - Supporting structure for rocker arms for engine valves (1987-04-21),

13. 4644241 - Single phase to three phase signal converter (1987-02-17),

14. 4618809 - Apparatus for converting single-phase power to three-phase outputs (1986-10-21),

15. 4617883 - Pivot members for a cam follower of valve mechanism for internal (1986-10-21),

Tokai Trw & Co., Ltd. is a leading manufacturing company specializing in automotive components. With a rich history spanning several decades, we are committed to delivering high-quality products and innovative solutions to our clients. Our expertise lies in the design, development, and production of various automotive parts, including steering systems, brake systems, and airbags. We strive for excellence in all aspects of our business and aim to contribute to the advancement of the automotive industry through our cutting-edge technologies and sustainable practices.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

32 Patents

#78 in

#2,183 in Japan

#20,039 in the World

Tokai Trw & Co., Ltd.

Forward Citations = 415

25 inventors:

Michio Abe (16 out of 19 patents)

Naoyuki Maeda (14 out of 16 patents)

Seiichiro Kumagai (2 out of 2 patents)

4. Susumu Toki (2 out of 9 patents)

5. Takahiro Okuyama (2 out of 4 patents)

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