This inventor holds 8 USPTO granted patents. Top assignees: Sony Corporation, Sony Electronics Inc, Sony Corporation of America. Active years: 1999-2001.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Kawashima. Retrieved from https://idiyas.com/inventor/toshiyuki-kawashima-ui79uurm
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 = 1.6
ph-index = 5
Forward Citations = 67(Granted Patents)
Location History:
- N. Huntingdon, PA (US) (1999 - 2001)
- N. Hundingdon, PA (US) (1999 - 2001)
Company Filing History:
5 out of 58,150 
Sony Corporation
4 out of 2,335 
Sony Electronics Inc
1 out of 223 Sony Corporation of America
4. 3 out of 834,659 patents
Other
where one patent can have more than one assignee
Years Active: 1999-2001
Loading Chart...
8 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: Toshiyuki Kawashima. Retrieved from https://idiyas.com/inventor/toshiyuki-kawashima-ui79uurm
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]