Nagano, Japan

Yuji Kohama

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignee: Seiko Epson Corporation. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Kohama. Retrieved from https://idiyas.com/inventor/yuji-kohama

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 5 

% Patents Active = 80.0

Average Co-Inventor Count = 1.1

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Hokkaido, JP (2013)
  • Nagano, JP (2020)
  • Kitakyushu, JP (2024)

Company Filing History:


Years Active: 2013-2026

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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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