This inventor holds 3 USPTO granted patents. Top assignees: Agency of Industrial Science and Technology, Ministry of International Trade & Industry. Active years: 1978-1996.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Okayama. Retrieved from https://idiyas.com/inventor/shigeo-okayama
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 = 1.7
ph-index = 3
Forward Citations = 34(Granted Patents)
Location History:
- Mitaka, JA (1978)
- Tsukuba, JP (1994 - 1996)
Company Filing History:
3 out of 1,430 
Agency of Industrial Science and Technology
1 out of 348 Ministry of International Trade & Industry
where one patent can have more than one assignee
Years Active: 1978-1996
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3 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: Shigeo Okayama. Retrieved from https://idiyas.com/inventor/shigeo-okayama
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]