This inventor holds 2 USPTO granted patents. Top assignees: Hitachi Metals, Ltd., Hitachi, Ltd.. Active years: 2000-2003.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Kagehiro Kageyama. Retrieved from https://idiyas.com/inventor/kagehiro-kageyama
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 50.0
Average Co-Inventor Count = 3.0
ph-index = 2
Forward Citations = 22(Granted Patents)
Location History:
- Yasugi, JP (2000)
- Shimane-ken, JP (2003)
Company Filing History:
2 out of 2,333 
Hitachi Metals, Ltd.
1 out of 42,726 
Hitachi, Ltd.
where one patent can have more than one assignee
Years Active: 2000-2003
Loading Chart...
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: Kagehiro Kageyama. Retrieved from https://idiyas.com/inventor/kagehiro-kageyama
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]