This inventor holds 3 USPTO granted patents. Top assignees: Nippon Telegraph and Telephone Public Corporation, Sumitomo Electric Industries, Limited. Active years: 1983-1989.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Norio Kashima. Retrieved from https://idiyas.com/inventor/norio-kashima
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 100.0
Average Co-Inventor Count = 3.0
ph-index = 2
Forward Citations = 27(Granted Patents)
Location History:
- Ibaraki, JP (1988)
- Mito, JP (1983 - 1989)
Company Filing History:
3 out of 522 Nippon Telegraph and Telephone Public Corporation
2 out of 10,631 
Sumitomo Electric Industries, Limited
where one patent can have more than one assignee
Years Active: 1983-1989
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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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Norio Kashima. Retrieved from https://idiyas.com/inventor/norio-kashima
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]