This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Lapis Semiconductor Co., Ltd., Oki Data Corporation, Oki Electric Industry Co., Ltd.. Active years: 2006-2019.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Keitaro Ishida. Retrieved from https://idiyas.com/inventor/keitaro-ishida
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
USPTO Granted Patents = 3 (Patent Applications = 1)
% Patents Active = 33.3
Average Co-Inventor Count = 1.8
ph-index = 2
Forward Citations = 4(Granted Patents)
Company Filing History:
1 out of 702 Lapis Semiconductor Co., Ltd.
1 out of 1,875 
Oki Data Corporation
1 out of 4,980 Oki Electric Industry Co., Ltd.
Years Active: 2006-2019
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3 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]
1 patent pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Keitaro Ishida. Retrieved from https://idiyas.com/inventor/keitaro-ishida
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]
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]