Nippo Sangyo Co., Ltd.

Calculating rank

USPTO Granted Patents = 3

EPO Patents = 2

Trademarks = 2

Forward Citations = 31

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6 inventors (with patents filed for the assignee):

Hironari Abe (2 out of 2 patents)

Toshio Sawa (2 out of 4 patents)

Kosuke Abe (1 out of 1 patent)

4. Noboru Ishikawa (1 out of 1 patent)

5. Atsushi Kasahara (1 out of 2 patents)

6. Yuya Abe (1 out of 1 patent)

7. Yasuaki Amemiya (1 patent)

8. Noburu Ishikawa (0 patent)

9. Hironari Abe (0 patent)

10. Masayuki Saito (0 patent)

11. Kazuhiro Nakamura (0 patent)

12. Hiroki Sato (0 patent)

13. Kousuke Abe (0 patent)

3 patents: Sort by Forward Citations

1. 10545086 - Friction coefficient measurement apparatus (2020-01-28),

2. 6679106 - Road surface roughness measuring device (2004-01-20),

3. 4594878 - Dynamic friction coefficient measuring apparatus (1986-06-17),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#1 in Kokubunji

#8,938 in Japan

Kokubunji, Japan

Nippo Sangyo Co., Ltd.

Forward Citations = 31

6 inventors:

Hironari Abe (2 out of 2 patents)

Toshio Sawa (2 out of 4 patents)

Kosuke Abe (1 out of 1 patent)

4. Noboru Ishikawa (1 out of 1 patent)

5. Atsushi Kasahara (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippo Sangyo Co., Ltd.. Retrieved from https://idiyas.com/company/nippo-sangyo-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]

2 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]