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Kokoku Intech Co., Ltd.

USPTO Granted Patents = 14

EPO Patents = 1

Forward Citations = 106

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42 inventors (with patents filed for the assignee):

Yutaka Kikuchi (4 out of 19 patents)

Yasushi Hirakawa (3 out of 16 patents)

Shinya Muroi (3 out of 3 patents)

4. Takuya Funatsu (2 out of 3 patents)

5. Hirofumi Hino (2 out of 2 patents)

6. Takumi Unno (2 out of 2 patents)

7. Sumihiko Yagenji (2 out of 2 patents)

8. Keisuke Mori (1 out of 19 patents)

9. Hiroshi Mizukami (1 out of 16 patents)

10. Masaki Ueno (1 out of 66 patents)

11. Takashi Harayama (1 out of 22 patents)

12. Hiroshi Morikawa (1 out of 17 patents)

13. Kotaro Kobayashi (1 out of 11 patents)

14. Tomohiro Matsuura (1 out of 23 patents)

15. Ichiro Murata (1 out of 10 patents)

14 patents: Sort by Forward Citations

1. 11670782 - Fuel cell separator and fuel cell stack (2023-06-06),

2. 10036679 - Fluid detection device (2018-07-31),

3. 9614200 - Hermetically sealed battery (2017-04-04),

4. 9567894 - Rotary valve (2017-02-14),

5. 9466824 - Sealed battery (2016-10-11),

6. 9368785 - Sealed battery manufacturing method, sealing member for sealed battery, and sealed battery (2016-06-14),

7. 7730997 - Air intake noise reducing device, internal combustion engine fitted with the same and structure for fitting the same to the internal combustion engine (2010-06-08),

8. 7624993 - Dual-membered suctional gasket (2009-12-01),

9. 7377292 - Vehicular brake system component (2008-05-27),

10. 7111848 - Gasket and method of manufacturing the gasket (2006-09-26),

11. 7019960 - Electric double-layer capacitor (2006-03-28),

12. 6876515 - Monolithically constituted gasket assembly with cover and hard disk drive unit (2005-04-05),

13. 6525931 - Cover for a hard disk drive (2003-02-25),

14. 6308961 - Gasket for hard disk drive unit use (2001-10-30),

KOKOKU INTECH CO., LTD. is a leading technological solutions provider, specializing in the development and manufacturing of innovative industrial products. With a rich history spanning several decades, our company has gained a reputation for delivering high-quality solutions in various sectors, including automotive, electronics, and healthcare. We leverage cutting-edge technologies to meet the ever-changing needs of our customers and strive to contribute to society through environmentally sustainable practices. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

14 Patents

#145 in

#3,488 in Japan

#40,959 in the World

Kokoku Intech Co., Ltd.

Forward Citations = 106

42 inventors:

Yutaka Kikuchi (4 out of 19 patents)

Yasushi Hirakawa (3 out of 16 patents)

Shinya Muroi (3 out of 3 patents)

4. Takuya Funatsu (2 out of 3 patents)

5. Hirofumi Hino (2 out of 2 patents)

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