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Toyonaka-shi, Japan

Kokusan Parts Industry Co., Ltd.

USPTO Granted Patents = 12

Forward Citations = 170

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24 inventors (with patents filed for the assignee):

Yoshitaka Abe (8 out of 8 patents)

Hironobu Imanaka (3 out of 3 patents)

Yukio Yoshida (3 out of 3 patents)

4. Takashi Suzuki (3 out of 48 patents)

5. Takayuki Hikami (2 out of 2 patents)

6. Keisuke Umehara (2 out of 2 patents)

7. Masahisa Kumashiro (2 out of 2 patents)

8. Reizi Mahigashi (2 out of 2 patents)

9. Kazuhiko Yamato (2 out of 2 patents)

10. Hisato Maekawa (2 out of 2 patents)

11. Yoshinori Iwamoto (2 out of 2 patents)

12. Koichi Fusa (2 out of 2 patents)

13. Takeshi Naitou (2 out of 2 patents)

14. Hironobu Fukunishi (2 out of 2 patents)

15. Koichi Hatamura (1 out of 4 patents)

12 patents: Sort by Forward Citations

1. 10668519 - Method for manufacturing gasket-constituting plate (2020-06-02),

2. 8291698 - Sound insulation cover (2012-10-23),

3. 8220800 - Seal layer-transferred metal gasket (2012-07-17),

4. 7204491 - Metal gasket (2007-04-17),

5. 6299175 - Metal gasket (2001-10-09),

6. 6279965 - Pipe joint (2001-08-28),

7. 6257591 - Metal gasket and process for manufacturing the same (2001-07-10),

8. 6182976 - Metal gasket (2001-02-06),

9. 6073938 - Sealing structure (2000-06-13),

10. 6070882 - Sealing structure (2000-06-06),

11. 5938208 - Separate plate placed between adjacent valve bodies in a control valve (1999-08-17),

12. 5582415 - Metal gasket (1996-12-10),

Kokusan Parts Industry Co., Ltd. is a leading manufacturer of automotive parts based in Japan. With over 50 years of experience, the company specializes in producing high-quality electrical components for vehicles, motorcycles, and other industries. They are known for their innovative solutions and superior product quality, catering to the needs of customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

12 Patents

#1 in Toyonaka-shi

#3,833 in Japan

#46,665 in the World

Toyonaka-shi, Japan

Kokusan Parts Industry Co., Ltd.

Forward Citations = 170

24 inventors:

Yoshitaka Abe (8 out of 8 patents)

Hironobu Imanaka (3 out of 3 patents)

Yukio Yoshida (3 out of 3 patents)

4. Takashi Suzuki (3 out of 48 patents)

5. Takayuki Hikami (2 out of 2 patents)

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