This inventor holds 2 USPTO granted patents. Top assignees: Sumitomo Electric Industries, Limited, Nippon Telegraph and Telephone Corporation. Active years: 1992-1995.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Wataru Katsurashima. Retrieved from https://idiyas.com/inventor/wataru-katsurashima-9lt2ztir
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 = 5.5
ph-index = 2
Forward Citations = 20(Granted Patents)
Location History:
- Kanagawa, JP (1992)
- Yokohama, JP (1995)
Company Filing History:
2 out of 10,652 
Sumitomo Electric Industries, Limited
1 out of 5,300 
Nippon Telegraph and Telephone Corporation
where one patent can have more than one assignee
Years Active: 1992-1995
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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: Wataru Katsurashima. Retrieved from https://idiyas.com/inventor/wataru-katsurashima-9lt2ztir
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]