Toyokawa, Japan

Chujiro Yokoyama

This inventor holds 5 USPTO granted patents. Top assignees: Minolta Camera Kabushiki Kaisha, Minolta Company, Ltd.. Active years: 1989-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chujiro Yokoyama. Retrieved from https://idiyas.com/inventor/chujiro-yokoyama

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 = 2.6

ph-index = 4

Forward Citations = 103(Granted Patents)


Location History:

  • Toyokawa, JP (1989 - 1997)
  • Osaka, JP (1989 - 2004)

Company Filing History:


Years Active: 1989-2004

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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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