Yokohama, Japan

Tatsuo Hiyoshi

This inventor holds 4 USPTO granted patents. Top assignee: Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1990-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuo Hiyoshi. Retrieved from https://idiyas.com/inventor/tatsuo-hiyoshi

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 = 2.0

ph-index = 3

Forward Citations = 22(Granted Patents)


Location History:

  • Nobeoka, JP (1990)
  • Yokohama, JP (1991 - 1993)

Company Filing History:


Years Active: 1990-1993

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4 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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