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For the Inventor, By the Inventor

Iwata, Japan

Enshu Co., Ltd.

Calculating rank
USPTO Granted Patents = 12

% Expired Patents = 33.3


Forward Citations = 32

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6 inventors (with patents filed for the assignee):

goldMedal Tadao Ito (11 out of 24 patents)

silverMedal Shin Shiraki (1 out of 8 patents)

bronzeMedal Shun Fujishiro (1 out of 1 patent)

4.  Takashi Hattori (1 out of 1 patent)

5.  Yoshitaka Sasayama (1 out of 1 patent)

6.  Teruhiko Karasawa (1 out of 1 patent)


12 patents:

1. 11904734 - Seat slider device (2024-02-20),
2. 10112574 - Belt fitting (2018-10-30),
3. 9902365 - Through anchor (2018-02-27),
4. 9598047 - Through anchor (2017-03-21),
5. 9527473 - Through anchor (2016-12-27),
6. 9365185 - Through anchor (2016-06-14),
7. 8418324 - Tongue and method of manufacturing the same (2013-04-16),
8. 6964084 - Loop hanger for seat belt (2005-11-15),
9. 6662426 - Method for manufacturing loop hanger for seat belt (2003-12-16),
10. 6120061 - Seat belt anchorage plate for seat belt device and method for (2000-09-19),
11. 5918903 - Seat belt hanging and holding member (1999-07-06),
12. 5899499 - Sent belt anchorage plate for seat belt device and method of (1999-05-04),
Company Overview
Enshu Co., Ltd. is a prominent Japanese manufacturer specializing in precision machine tools and related technologies. The company focuses on developing high-performance CNC (Computer Numerical Control) machines, which are essential for various industries, including automotive, aerospace, and general manufacturing. Enshu is recognized for its commitment to innovation and quality, leveraging advanced engineering techniques to enhance productivity and precision in machining processes. Its operations are primarily based in Japan, with a growing presence in international markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

12 Patents

#2 in Iwata

#3,938 in Japan

#48,276 in the World

Iwata, JP
Iwata, Japan

Enshu Co., Ltd.

Forward Citations = 32

6 inventors:

goldMedal Tadao Ito (11 out of 24 patents)

silverMedal Shin Shiraki (1 out of 8 patents)

bronzeMedal Shun Fujishiro (1 out of 1 patent)

4.  Takashi Hattori (1 out of 1 patent)

5.  Yoshitaka Sasayama (1 out of 1 patent)

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