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For the Inventor, By the Inventor

Hyogo, Japan

Nichirin Co., Ltd.


USPTO Granted Patents = 12

% Expired Patents = 25.0


Trademarks = 5

Forward Citations = 36

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24 inventors (with patents filed for the assignee):

goldMedal Yoshio Nakano (3 out of 3 patents)

silverMedal Takashi Yagi (3 out of 3 patents)

bronzeMedal Shinji Higashika (2 out of 2 patents)

4.  Takaaki Nomura (2 out of 2 patents)

5.  Toshiyuki Katayama (2 out of 2 patents)

6.  Masamichi Matsui (2 out of 2 patents)

7.  Akira Kitashima (1 out of 1 patent)

8.  Takao Maeda (1 out of 1 patent)

9.  Kenji Miki (1 out of 5 patents)

10.  Ryota Kojima (1 out of 1 patent)

11.  Yasushi Takeo (1 out of 1 patent)

12.  Hideki Hashimoto (1 out of 1 patent)

13.  Kazutoshi Nakashima (1 out of 1 patent)

14.  Ken Takatani (1 out of 1 patent)

15.  Keizo Saga (1 out of 1 patent)


12 patents:

1. 11534818 - Method for manufacturing double-pipe heat exchanger (2022-12-27),
2. 11413842 - Rubber laminate and flexible hose using same (2022-08-16),
3. 11413705 - Laser bonding method and laser bonding device (2022-08-16),
4. 11161278 - Sealing device and rubber hose continuous vulcanizing device provided with same, and sealing method and rubber hose continuous vulcanizing method provided with same (2021-11-02),
5. 10520122 - Connector (2019-12-31),
6. 10377885 - Vulcanization-bonded laminate, and rubber composition used therefor (2019-08-13),
7. 9644094 - Butyl rubber composition and hose using same (2017-05-09),
8. 9539792 - Vulcanization-adhered laminate of fluororubber and synthetic rubber (2017-01-10),
9. 8020897 - Joint structure of steel pipe and light metal pipe (2011-09-20),
10. 7661720 - Connection structure for different kinds of metal tubes (2010-02-16),
11. 5958323 - Mandrel of high frequency heating type and method for producing cured (1999-09-28),
12. 5488974 - Process for manufacturing composite flexible hose (1996-02-06),
Company Overview
Nichirin Co., Ltd. is a prominent manufacturer based in Hyogo, Japan, specializing in the development and production of automotive components, particularly rubber and plastic products. The company focuses on creating high-quality parts that enhance vehicle performance and safety, catering to both domestic and international markets. With a strong emphasis on innovation, Nichirin invests in research and technology to advance its offerings in the automotive sector, contributing to the evolution of modern transportation solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Nichirin Co., Ltd. USPTO Patent Assignee Logo
12 Patents

#66 in Hyogo

#3,935 in Japan

#48,163 in the World

Hyogo, JP
Hyogo, Japan

Nichirin Co., Ltd.

Forward Citations = 36

24 inventors:

goldMedal Yoshio Nakano (3 out of 3 patents)

silverMedal Takashi Yagi (3 out of 3 patents)

bronzeMedal Shinji Higashika (2 out of 2 patents)

4.  Takaaki Nomura (2 out of 2 patents)

5.  Toshiyuki Katayama (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nichirin Co., Ltd.. Retrieved from https://idiyas.com/company/nichirin-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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