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USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#4,366 in Tokyo
#11,133 in Japan
Toyo Ink Mfg., Ltd.
Forward Citations = 9
10 inventors:
Toyo Ink Mfg., Ltd.
% Expired Patents = 50.0
Forward Citations = 9
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10 inventors (with patents filed for the assignee):
Shinichi Sato (1 out of 87 patents)
Takashi Aoki (1 out of 27 patents)
Yukitoshi Takahashi (1 out of 7 patents)
4. Yasuo Yoshihiro (1 out of 5 patents)
5. Teruhiko Iwase (1 out of 6 patents)
6. Osamu Ina (1 out of 10 patents)
7. Kosaku Tsuji (1 out of 4 patents)
8. Yoichi Inuzuka (1 out of 3 patents)
9. Takenori Funatsu (1 out of 4 patents)
10. Masuhiko Maejima (1 out of 1 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toyo Ink Mfg., Ltd.. Retrieved from https://idiyas.com/company/toyo-ink-mfg
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]
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]