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For the Inventor, By the Inventor

JP

Kokoku Intech Co., Ltd.

Calculating rank
USPTO Granted Patents = 14

% Expired Patents = 28.6


Forward Citations = 106

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42 inventors (with patents filed for the assignee):

goldMedal Yutaka Kikuchi (4 out of 19 patents)

silverMedal Yasushi Hirakawa (3 out of 16 patents)

bronzeMedal 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:

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),
Company Overview
Kokoku Intech Co., Ltd. is a Japanese company specializing in advanced technology solutions, particularly in the fields of industrial automation and control systems. The organization focuses on developing innovative products that enhance operational efficiency and safety across various sectors, including manufacturing and infrastructure. With a commitment to research and development, Kokoku Intech aims to deliver cutting-edge technologies that meet the evolving needs of its clients in a competitive global market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

14 Patents

#67 in

#3,583 in Japan

#42,293 in the World

JP
JP

Kokoku Intech Co., Ltd.

Forward Citations = 106

42 inventors:

goldMedal Yutaka Kikuchi (4 out of 19 patents)

silverMedal Yasushi Hirakawa (3 out of 16 patents)

bronzeMedal Shinya Muroi (3 out of 3 patents)

4.  Takuya Funatsu (2 out of 3 patents)

5.  Hirofumi Hino (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kokoku Intech Co., Ltd.. Retrieved from https://idiyas.com/company/kokoku-intech-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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