Tokyo, Japan

Ryuji Oki

This inventor holds 5 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1976-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuji Oki. Retrieved from https://idiyas.com/inventor/ryuji-oki

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 = 2.0

ph-index = 4

Forward Citations = 96(Granted Patents)


Location History:

  • Tokyo, JA (1976)
  • Kanagawa, JP (1983)
  • Tokyo, JP (1987 - 1997)

Company Filing History:


Years Active: 1976-1997

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5 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]
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