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For the Inventor, By the Inventor

Kyoto, Japan

Nippon Yusoki Co., Ltd.

Calculating rank
USPTO Granted Patents = 22

% Expired Patents = 50.0


Forward Citations = 401

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37 inventors (with patents filed for the assignee):

goldMedal Shinobu Tanaka (4 out of 4 patents)

silverMedal Kazumasa Kokura (4 out of 4 patents)

bronzeMedal Kazuhito Kawashima (3 out of 4 patents)

4.  Ikuya Katanaya (3 out of 3 patents)

5.  Koji Yokoyama (2 out of 3 patents)

6.  Hajime Muragishi (2 out of 2 patents)

7.  Noriaki Makino (2 out of 2 patents)

8.  Shigeru Hirooka (2 out of 2 patents)

9.  Kensuke Futahashi (1 out of 32 patents)

10.  Kazuhiro Nagata (1 out of 14 patents)

11.  Toshiyuki Honda (1 out of 2 patents)

12.  Masataka Kawaguchi (1 out of 7 patents)

13.  Hiroshi Satou (1 out of 2 patents)

14.  Fujio Eguchi (1 out of 5 patents)

15.  Keizo Ogino (1 out of 2 patents)


22 patents:

1. 7770696 - Energy recovering system of hydraulic lift device for battery operated industrial trucks (2010-08-10),
2. 7165819 - Lift truck (2007-01-23),
3. 7086819 - Single lever with button for selectively controlling either tilt or lift of a forklift mechanism (2006-08-08),
4. 7049778 - Inverter control apparatus and inverter control method (2006-05-23),
5. 7049771 - Multi-phase carrier signal generator and multi-phase carrier signal generation method (2006-05-23),
6. 7019624 - Forklift (2006-03-28),
7. 7008164 - Automated guided vehicle (2006-03-07),
8. 6940415 - Reach type forklift truck (2005-09-06),
9. 6901323 - Cargo handling vehicle (2005-05-31),
10. 6877945 - Forklift (2005-04-12),
11. 6859697 - Information display apparatus for a vehicle (2005-02-22),
12. 6850828 - Control apparatus and control method for a forklift and forklift (2005-02-01),
13. 6795187 - Forklift having a light source and lens combination that provides a shaped light beam (2004-09-21),
14. 6767175 - Forklift (2004-07-27),
15. 6542801 - Power steering system (2003-04-01),
Company Overview
Nippon Yusoki Co., Ltd. is a prominent Japanese company based in Kyoto, specializing in the development and manufacturing of precision machinery and equipment. The organization focuses on advanced technologies in the fields of automation and control systems, catering to various industries including manufacturing and logistics. With a commitment to innovation, Nippon Yusoki aims to enhance operational efficiency and productivity through its cutting-edge solutions, contributing significantly to the technological landscape in Japan and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

22 Patents

#87 in Kyoto 615-0031

#2,797 in Japan

#28,822 in the World

Kyoto, JP
Kyoto, Japan

Nippon Yusoki Co., Ltd.

Forward Citations = 401

37 inventors:

goldMedal Shinobu Tanaka (4 out of 4 patents)

silverMedal Kazumasa Kokura (4 out of 4 patents)

bronzeMedal Kazuhito Kawashima (3 out of 4 patents)

4.  Ikuya Katanaya (3 out of 3 patents)

5.  Koji Yokoyama (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Yusoki Co., Ltd.. Retrieved from https://idiyas.com/company/nippon-yusoki-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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