Nakaya Ltd.

Calculating rank

EPO Patents = 1

Forward Citations = 7

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7 inventors (with patents filed for the assignee):

Chitake Imazu (1 out of 1 patent)

Shigeru Hagihara (1 out of 1 patent)

Kazuhiro Kijima (1 out of 1 patent)

4. Osamu Abe (1 out of 1 patent)

5. Satoshi Hiraki (1 out of 1 patent)

6. Yuichiro Fujikawa (1 out of 1 patent)

7. Takashi Matsumoto (1 out of 33 patents)

8. Shigeru c/o Yamanashi Industrial Hagihara (0 patent)

9. Kazuhiro c/o Yamanashi Industrial Kijima (0 patent)

10. Chitake c/o Yamanashi Industrial Imazu (0 patent)

11. Satoshi c/o Nakaya Ltd Hiraki (0 patent)

12. Osamu c/o Yamanashi Industrial Abe (0 patent)

13. Takashi c/o Yamanashi University Matsumoto (0 patent)

14. Yuichiro c/o Nakaya Ltd Fujikawa (0 patent)

1 patent: Sort by Forward Citations

#1 in Nakakoma-gun

#15,762 in Japan

Forward Citations = 7

7 inventors:

Chitake Imazu (1 out of 1 patent)

Shigeru Hagihara (1 out of 1 patent)

Kazuhiro Kijima (1 out of 1 patent)

4. Osamu Abe (1 out of 1 patent)

5. Satoshi Hiraki (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nakaya Ltd.. Retrieved from https://idiyas.com/company/nakaya

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]

1 patent (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]