This inventor holds 6 USPTO granted patents. Top assignees: Hitachi Metals, Ltd., Proterial, Ltd.. Active years: 1986-2023.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Katayama. Retrieved from https://idiyas.com/inventor/yoshio-katayama-sx64s1uz
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 = 2.3
ph-index = 2
Forward Citations = 18(Granted Patents)
Location History:
- Kumagaya, JP (1999)
- Kuwana, JP (1986 - 2019)
- Tokyo, JP (2022 - 2023)
Company Filing History:
Years Active: 1986-2023
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6 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: Yoshio Katayama. Retrieved from https://idiyas.com/inventor/yoshio-katayama-sx64s1uz
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]