Company Badge
USPTO Data Jan 1 1976 - Nov 3 2026
2 Patents
#4,374 in Tokyo
#11,143 in Japan
Ostuka Pharmaceutical Co., Ltd.
Forward Citations = 2
21 inventors:
Ostuka Pharmaceutical Co., Ltd.
Calculating rank
% Expired Patents = 50.0
Forward Citations = 2
Loading Chart...
Loading Chart...
21 inventors (with patents filed for the assignee):
Shohei Yamada (1 out of 506 patents)
Kiyoshi Fujimoto (1 out of 30 patents)
Satoshi Aoki (1 out of 80 patents)
4. Takuji Bando (1 out of 13 patents)
5. Junichi Kawasaki (1 out of 15 patents)
6. Makoto Ishigami (1 out of 12 patents)
7. Youichi Taniguchi (1 out of 13 patents)
8. Tsuyoshi Yabuuchi (1 out of 12 patents)
9. Yoshihiro Nishioka (1 out of 14 patents)
10. Noriyuki Kobayashi (1 out of 12 patents)
11. Kaoru Abe (1 out of 17 patents)
12. Tomonori Nakagawa (1 out of 12 patents)
13. Koichi Shinhama (1 out of 17 patents)
14. Michiaki Tominaga (1 out of 80 patents)
15. Yoshihiro Ooi (1 out of 12 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ostuka Pharmaceutical Co., Ltd.. Retrieved from https://idiyas.com/company/ostuka-pharmaceutical-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]
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]