This inventor holds 2 USPTO granted patents. Top assignees: Kabushiki Kaisha Topcon, Tokyo Kogaku Kikai Kabushiki Kaisha. Active years: 1984-1990.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Akishige Shirasawa. Retrieved from https://idiyas.com/inventor/akishige-shirasawa
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 100.0
Average Co-Inventor Count = 1.3
ph-index = 1
Forward Citations = 27(Granted Patents)
Company Filing History:
1 out of 1,033 Kabushiki Kaisha Topcon
1 out of 153 Tokyo Kogaku Kikai Kabushiki Kaisha
Years Active: 1984-1990
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2 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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Akishige Shirasawa. Retrieved from https://idiyas.com/inventor/akishige-shirasawa
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]