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For the Inventor, By the Inventor

Tokyo, Japan

Sakura Rubber Co., Ltd.

Calculating rank
USPTO Granted Patents = 22

% Expired Patents = 4.5



Forward Citations = 482

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17 inventors (with patents filed for the assignee):

goldMedal Akira Horimoto (12 out of 12 patents)

silverMedal Tetsuya Nakamura (10 out of 83 patents)

bronzeMedal Kazuyuki Tamada (7 out of 7 patents)

4.  Tetsuharu Kawasaki (2 out of 3 patents)

5.  Kenzou Toshiro (2 out of 2 patents)

6.  Makiko Iida (2 out of 2 patents)

7.  Tadashi Torigoe (2 out of 2 patents)

8.  Misao Miyazawa (1 out of 1 patent)

9.  Yutaka Ueda (1 out of 6 patents)

10.  Kaori Kato (1 out of 1 patent)

11.  Atsushi Hirayama (1 out of 2 patents)

12.  Masaki Morinaka (1 out of 1 patent)

13.  Makoto Chujo (1 out of 1 patent)

14.  Yoshihiko Goto (1 out of 1 patent)

15.  Katsuyoshi Fujiu (1 out of 1 patent)


22 patents:

1. 12188594 - Coupling fittings and coupling structure (2025-01-07),
2. 10995894 - Unit, manifold, and flow path forming method (2021-05-04),
3. 10107435 - Coupling (2018-10-23),
4. 9879809 - Coupling with safety valve function (2018-01-30),
5. 7926517 - Cylindrical jacket, jacket hose, suction hose, and cylindrical jacket manufacturing apparatus (2011-04-19),
6. 7798537 - Coupling apparatus (2010-09-21),
7. 7674064 - Coupling apparatus for structural members (2010-03-09),
8. 7481467 - Coupling apparatus including release preventing structure (2009-01-27),
9. 7481466 - Coupling apparatus including release preventing structure (2009-01-27),
10. 7473048 - Coupling apparatus for structural members (2009-01-06),
11. 7243953 - Coupling apparatus including release preventing structure (2007-07-17),
12. 7175894 - Photo-curing hollow structure (2007-02-13),
13. 6743497 - Honeycomb sandwich panel (2004-06-01),
14. 6666941 - Method of manufacturing ribbed structure by using biodegradable mold (2003-12-23),
15. 6382680 - Coupler apparatus and method of manufacturing the same (2002-05-07),
Company Overview
Sakura Rubber Co., Ltd., based in Tokyo, specializes in the development and manufacturing of rubber products and materials. The company focuses on providing innovative solutions for various industries, including automotive, electronics, and medical sectors. With a commitment to quality and sustainability, Sakura Rubber leverages advanced technologies to enhance product performance and meet the evolving needs of its global clientele. The firm is dedicated to research and development, ensuring its offerings remain at the forefront of industry standards.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

22 Patents

#1,287 in Tokyo

#2,797 in Japan

#28,822 in the World

Tokyo, JP
Tokyo, Japan

Sakura Rubber Co., Ltd.

Forward Citations = 482

17 inventors:

goldMedal Akira Horimoto (12 out of 12 patents)

silverMedal Tetsuya Nakamura (10 out of 83 patents)

bronzeMedal Kazuyuki Tamada (7 out of 7 patents)

4.  Tetsuharu Kawasaki (2 out of 3 patents)

5.  Kenzou Toshiro (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sakura Rubber Co., Ltd.. Retrieved from https://idiyas.com/company/sakura-rubber-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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