This inventor holds 9 USPTO granted patents and 7 published patent applications and 4 EPO patents. Top assignees: Nitto-Denko Corporation, Fujisawa Pharmaceutical Company, Ltd.. Active years: 1997-2019.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Kyoko Ishii. Retrieved from https://idiyas.com/inventor/kyoko-ishii
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
USPTO Granted Patents = 9 (Patent Applications = 7)
% Patents Active = 55.6
EPO Patents = 4 (Patent Applications = 12)
Average Co-Inventor Count = 3.1
ph-index = 2
Forward Citations = 22(Granted Patents)
Location History:
- Osaka, JP (1997 - 2019)
- Ibaraki, JP (2012 - 2019)
Company Filing History:
8 out of 3,951 
Nitto-Denko Corporation
1 out of 940 
Fujisawa Pharmaceutical Company, Ltd.
Years Active: 1997-2019
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9 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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]
7 patents pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Kyoko Ishii. Retrieved from https://idiyas.com/inventor/kyoko-ishii
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]
4 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]
12 patents pending (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]