This inventor holds 4 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1990-1992.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinji Ohyama. Retrieved from https://idiyas.com/inventor/shinji-ohyama
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 = 6.2
ph-index = 4
Forward Citations = 165(Granted Patents)
Location History:
- Hitachi, JP (1990)
- Ibaraki, JP (1992)
Company Filing History:
Years Active: 1990-1992
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4 patents (USPTO):Explore Patents
1. 5101096 - Optical recording sheet and method and apparatus for reproducing the same (1992-03-31),
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: Shinji Ohyama. Retrieved from https://idiyas.com/inventor/shinji-ohyama
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]