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USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#6,105 in Tokyo
#15,762 in Japan
Eisai Ci., Ltd.
Forward Citations = 2
5 inventors:
Eisai Ci., Ltd.
Calculating rank
Forward Citations = 2
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5 inventors (with patents filed for the assignee):
Kiyomi Yamatsu (1 out of 21 patents)
Noriyasu Hirose (1 out of 11 patents)
Shizuo Kuriyama (1 out of 6 patents)
4. Akifumi Kitahara (1 out of 1 patent)
5. Takeshi Uzuo (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Eisai Ci., Ltd.. Retrieved from https://idiyas.com/company/eisai-ci
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]