Tokyo, Japan

Norihisa Isaka

This inventor holds 5 USPTO granted patents. Top assignees: Oki Electric Industry Co., Ltd., Oki Data Corporation. Active years: 1993-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norihisa Isaka. Retrieved from https://idiyas.com/inventor/norihisa-isaka

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 = 2.1

ph-index = 3

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 1993-2007

Loading Chart...
5 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]
Loading…