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For the Inventor, By the Inventor

Tokyo, Japan

Kawajun Co., Ltd.

Calculating rank
USPTO Granted Patents = 27


Trademarks = 1

Forward Citations = 504

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13 inventors (with patents filed for the assignee):

goldMedal Takashi Shinozaki (9 out of 15 patents)

silverMedal Tatsuaki Nomoto (4 out of 4 patents)

bronzeMedal Shinichi Osawa (3 out of 3 patents)

4.  Takanao Shirai (2 out of 2 patents)

5.  Masamoto Terada (2 out of 2 patents)

6.  Ikuya Matsumoto (2 out of 2 patents)

7.  Toru Yoshitsugu (2 out of 3 patents)

8.  Yukitomo Shimazaki (1 out of 1 patent)

9.  Akihiko Endo (1 out of 38 patents)

10.  Hideaki Kawamura (1 out of 170 patents)

11.  Junzaburo Kawasaki (1 out of 3 patents)

12.  Daisuke Higuchi (1 out of 11 patents)

13.  Teruaki Ohkubo (1 out of 1 patent)


Core Competencies:
Foldable Display Case
Commodity Display Box
Adjustable Rack
Clothing Drying Device
Coupling Member
Assembly Shelf
Goods Display Stand
Stock Cart
Display Tray
Display Unit
Commodity Display Base
Display Board

27 patents:

1. 12383080 - Foldable display case (2025-08-12),
2. D1083383 - Foldable commodity display box (2025-07-15),
3. 12310492 - Rack assembly with adjustable installation height of beam member (2025-05-27),
4. 12084804 - Clothing drying device (2024-09-10),
5. 11891748 - Clothing drying device (2024-02-06),
6. 9775433 - Coupling member and ready-to-assemble shelving that uses same (2017-10-03),
7. 8678207 - Coupling member, and assembled rack provided with same (2014-03-25),
8. 8505752 - Rack assembly (2013-08-13),
9. 8505751 - Rack assembly (2013-08-13),
10. 8505750 - Assembly shelf (2013-08-13),
11. 8118181 - Rack assembly (2012-02-21),
12. D615390 - Support for an assembling shelf (2010-05-11),
13. D615389 - Support for an assembling shelf (2010-05-11),
14. D541082 - Goods display stand (2007-04-24),
15. D530117 - Goods display stand (2006-10-17),
Company Overview
Kawajun Co., Ltd. is a Tokyo-based company specializing in the development and manufacturing of high-quality architectural hardware and building materials. The organization focuses on innovative solutions for various sectors, including residential, commercial, and public infrastructure. With a commitment to design excellence and functionality, Kawajun integrates advanced technology into its products, enhancing both aesthetic appeal and user experience. The company is recognized for its contributions to the construction industry, emphasizing durability and sustainability.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

Kawajun Co., Ltd. USPTO Patent Assignee Logo
27 Patents

#1,138 in Tokyo

#2,458 in Japan

#24,055 in the World

Tokyo, JP
Tokyo, Japan

Kawajun Co., Ltd.

Forward Citations = 504

13 inventors:

goldMedal Takashi Shinozaki (9 out of 15 patents)

silverMedal Tatsuaki Nomoto (4 out of 4 patents)

bronzeMedal Shinichi Osawa (3 out of 3 patents)

4.  Takanao Shirai (2 out of 2 patents)

5.  Masamoto Terada (2 out of 2 patents)

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