Amso Co., Ltd.

Calculating rank

USPTO Granted Patents = 6

% Expired Patents = 33.3

Forward Citations = 70

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18 inventors (with patents filed for the assignee):

Katsuhiko Torii (2 out of 40 patents)

Hiroyuki Harada (2 out of 8 patents)

Kengo Yamamura (2 out of 23 patents)

4. Youji Higuchi (2 out of 4 patents)

5. Yoji Yamada (1 out of 48 patents)

6. Seiya Yokoyama (1 out of 41 patents)

7. Yoshiaki Takemoto (1 out of 27 patents)

8. Yoko Tateishi (1 out of 8 patents)

9. Shigemasa Kato (1 out of 25 patents)

10. Seiichi Murakami (1 out of 9 patents)

11. Takao Yamaki (1 out of 3 patents)

12. Takeshi Hamanaka (1 out of 3 patents)

13. Yasuhiro Fukatsu (1 out of 4 patents)

14. Kiyoshi Tamada (1 out of 1 patent)

15. Yukiyasu Kato (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 9653952 - Half permanent magnet motor (2017-05-16),

2. 9231458 - Rotation plate and motor (2016-01-05),

3. 6108976 - Feeder arrangement of sliding door (2000-08-29),

4. 6105199 - Windshield wiper (2000-08-22),

5. 4967510 - Closure device (1990-11-06),

6. 4939867 - Power supplying system for self-driving closure device (1990-07-10),

Company Overview

Amso Co., Ltd. is a leading technology company specializing in innovative solutions for a wide range of industries. Our expertise includes software development, cloud computing services, and AI technology. We are committed to delivering cutting-edge solutions that drive growth and efficiency for our clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#78 in Shizuoka

#5,990 in Japan

Shizuoka, Japan

Amso Co., Ltd.

Forward Citations = 70

18 inventors:

Katsuhiko Torii (2 out of 40 patents)

Hiroyuki Harada (2 out of 8 patents)

Kengo Yamamura (2 out of 23 patents)

4. Youji Higuchi (2 out of 4 patents)

5. Yoji Yamada (1 out of 48 patents)

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