% Expired Patents = 20.0

EPO Patents = 3

Trademarks = 1

Forward Citations = 49

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11 inventors (with patents filed for the assignee):

Go Aradono (4 out of 4 patents)

Yusuke Shimizu (2 out of 4 patents)

Satoshi Matsuta (2 out of 2 patents)

4. Masaki Yasuda (1 out of 1 patent)

5. Shinichi Umezawa (1 out of 1 patent)

6. Masato Hatano (1 out of 2 patents)

7. Yousuke Sasaki (1 out of 1 patent)

8. Toshihisa Toyokuni (1 out of 1 patent)

9. Yutaka Maruoka (1 out of 2 patents)

10. Mori Yokoyama (1 out of 1 patent)

11. Kei Oomoto (1 out of 2 patents)

12. Shinsaku Yasui (1 patent)

13. Yusuke Shimizu (0 patent)

5 patents: Sort by Forward Citations

1. 12472766 - Surgical ink, production method for said ink, and surgical pen using said ink (2025-11-18),

2. 10765417 - Medical retractor (2020-09-08),

3. 10166016 - Medical retractor (2019-01-01),

4. D833607 - Medical retractor (2018-11-13),

5. 7287335 - Archery-sight (2007-10-30),

Company Overview

Yasui Co., Ltd. is a leading manufacturer specializing in precision machinery and equipment. Established in Japan, the company has built a strong reputation for its innovative solutions in various industries, including automotive, electronics, and medical devices. With a commitment to quality and customer satisfaction, Yasui Co., Ltd. focuses on research and development to enhance its product offerings. The company aims to provide cutting-edge technology and reliable service to meet the evolving needs of its clients globally.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#11 in Miyazaki

#6,654 in Japan

Miyazaki, Japan

Yasui Co., Ltd.

Forward Citations = 49

11 inventors:

Go Aradono (4 out of 4 patents)

Yusuke Shimizu (2 out of 4 patents)

Satoshi Matsuta (2 out of 2 patents)

4. Masaki Yasuda (1 out of 1 patent)

5. Shinichi Umezawa (1 out of 1 patent)

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

3 patents (EPO):

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]