Hamamatsu, Japan

Masafumi Sogawa

This inventor holds 4 USPTO granted patents. Top assignee: Sanshin Kogyo Kabushiki Kaisha. Active years: 1999-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masafumi Sogawa. Retrieved from https://idiyas.com/inventor/masafumi-sogawa

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 = 1.7

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Shizuoka, JP (2001 - 2002)
  • Hamamatsu, JP (1999 - 2003)

Company Filing History:


Years Active: 1999-2003

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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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