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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#4,372 in Tokyo
#11,139 in Japan
Nakagawa Laboratories, Inc.
Forward Citations = 353
7 inventors:
Nakagawa Laboratories, Inc.
% Expired Patents = 100.0
EPO Patents = 3
Forward Citations = 353
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7 inventors (with patents filed for the assignee):
Masao Nakagawa (2 out of 3 patents)
Takaaki Ishigure (1 out of 4 patents)
Shinichiro Haruyama (1 out of 11 patents)
4. Toshihiko Komine (1 out of 1 patent)
5. Shogo Kitano (1 out of 1 patent)
6. Yasuo Sugawara (1 out of 1 patent)
7. Yasuhiro Koike (1 out of 14 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nakagawa Laboratories, Inc.. Retrieved from https://idiyas.com/company/nakagawa-laboratories
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]
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]
3 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]