This inventor holds 4 USPTO granted patents. Top assignees: Hitachi Metals, Ltd., Yasugi Seimitsu, Ltd.. Active years: 1994-1998.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Iwao Kashiwagi. Retrieved from https://idiyas.com/inventor/iwao-kashiwagi
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 = 3.6
ph-index = 3
Forward Citations = 15(Granted Patents)
Company Filing History:
4 out of 2,333 
Hitachi Metals, Ltd.
1 out of 2 Yasugi Seimitsu, Ltd.
where one patent can have more than one assignee
Years Active: 1994-1998
Loading Chart...
4 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: Iwao Kashiwagi. Retrieved from https://idiyas.com/inventor/iwao-kashiwagi
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]