Otsu, Japan

Fumio Togawa

This inventor holds 5 USPTO granted patents. Top assignee: Hitachi Maxell, Limited. Active years: 1981-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Togawa. Retrieved from https://idiyas.com/inventor/fumio-togawa-dvp30gz3

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 = 2.5

ph-index = 5

Forward Citations = 55(Granted Patents)


Location History:

  • Otsu, JP (1981)
  • Ohtsu, JP (1984 - 1985)

Company Filing History:


Years Active: 1981-1985

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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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