EPO Patents = 7

Trademarks = 3

Forward Citations = 36

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21 inventors (with patents filed for the assignee):

Shogo Nakata (3 out of 4 patents)

Yuki Okawa (2 out of 2 patents)

Yoshiharu Matsumoto (2 out of 2 patents)

4. Yoshiyuki Yamaguchi (2 out of 2 patents)

5. Masahiko Umekawa (2 out of 6 patents)

6. Kouji Fujita (2 out of 3 patents)

7. Tadashi Hanai (2 out of 4 patents)

8. Takumi Nakamura (1 out of 16 patents)

9. Yuta Tanida (1 out of 2 patents)

10. Norihisa Okada (1 out of 19 patents)

11. Yoshifumi Kobayashi (1 out of 18 patents)

12. Atsuo Kikuna (1 out of 1 patent)

13. Miwa Yamaura (1 out of 1 patent)

14. Gojiro Yamaguchi (1 out of 2 patents)

15. Yusuke Hirai (1 out of 2 patents)

7 patents: Sort by Forward Citations

1. D1011154 - Socket for wrench (2024-01-16),

2. 11270473 - Mechanical fastening unit management method using augmented reality (2022-03-08),

3. 10994394 - Tightening tool (2021-05-04),

4. 10525573 - Tightening operation analysis apparatus, tightening operation analysis system, tightening operation analysis program, tightening operation analysis method, and tightening tool (2020-01-07),

5. 8234936 - Torque wrench having improved tightening torque measurement value (2012-08-07),

6. 7832286 - Torque wrench (2010-11-16),

7. 7077033 - Socket wrench for power tool (2006-07-18),

Company Overview

Kyoto Tool Co., Ltd. is a leading manufacturer of high-quality hand tools, power tools, and tool storage solutions. With a history dating back to 1926, Kyoto Tool has built a strong reputation for innovation, reliability, and durability in the tool industry. The company's products are used by professionals and DIY enthusiasts worldwide, and they are known for their precision engineering and attention to detail. Kyoto Tool is committed to providing customers with top-notch tools that make their work easier and more efficient.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#141 in Kyoto 615-0031

#5,459 in Japan

Kyoto, Japan

Kyoto Tool Co., Ltd.

Forward Citations = 36

21 inventors:

Shogo Nakata (3 out of 4 patents)

Yuki Okawa (2 out of 2 patents)

Yoshiharu Matsumoto (2 out of 2 patents)

4. Yoshiyuki Yamaguchi (2 out of 2 patents)

5. Masahiko Umekawa (2 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kyoto Tool Co., Ltd.. Retrieved from https://idiyas.com/company/kyoto-tool-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]

7 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]