Dorokogyo Co., Ltd.

Calculating rank

% Expired Patents = 100.0

EPO Patents = 1

Forward Citations = 3

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6 inventors (with patents filed for the assignee):

Masayuki Saito (1 out of 2 patents)

Kazuhiro Nakamura (1 out of 1 patent)

Yasuaki Amemiya (1 out of 1 patent)

4. Hironari Abe (1 out of 1 patent)

5. Kousuke Abe (1 out of 1 patent)

6. Hiroki Sato (1 out of 91 patents)

7. Hironari Abe (0 patent)

8. Masayuki Saito (0 patent)

9. Kazuhiro Nakamura (0 patent)

10. Hiroki Sato (0 patent)

11. Kousuke Abe (0 patent)

1 patent: Sort by Forward Citations

#831 in

#15,762 in Japan

Forward Citations = 3

6 inventors:

Masayuki Saito (1 out of 2 patents)

Kazuhiro Nakamura (1 out of 1 patent)

Yasuaki Amemiya (1 out of 1 patent)

4. Hironari Abe (1 out of 1 patent)

5. Kousuke Abe (1 out of 1 patent)

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

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]