Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#195 in Nagano
#15,745 in Japan
Kotobuki Pharmaceutical Co., Ltd.
Forward Citations = 0
11 inventors:
Kotobuki Pharmaceutical Co., Ltd.
Forward Citations = 0
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11 inventors (with patents filed for the assignee):
Takuya Washio (1 out of 6 patents)
Takashi Kamikubo (1 out of 33 patents)
Akio Kamikawa (1 out of 14 patents)
4. Hiroshi Tomiyama (1 out of 21 patents)
5. Yoshinori Iwai (1 out of 8 patents)
6. Kozo Miyasaka (1 out of 4 patents)
7. Yohei Seki (1 out of 10 patents)
8. Hideyuki Watanabe (1 out of 5 patents)
9. Osamu Ikeda (1 out of 7 patents)
10. Keiichiro Okuyama (1 out of 3 patents)
11. Akihiko Nakamura (1 out of 4 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kotobuki Pharmaceutical Co., Ltd.. Retrieved from https://idiyas.com/company/kotobuki-pharmaceutical
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]