Ibaraki, Japan

Toshiyuki Sai

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Petrochemical Company Limited. Active years: 1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Sai. Retrieved from https://idiyas.com/inventor/toshiyuki-sai

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 = 4.4

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Ibaraki, JP (1982)
  • Ami, JP (1982)

Company Filing History:


Years Active: 1982

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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]
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