Higashimatsuyama, Japan

Kouji Ichihashi

This inventor holds 8 USPTO granted patents. Top assignee: Diesel Kiki Co., Ltd.. Active years: 1988-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Ichihashi. Retrieved from https://idiyas.com/inventor/kouji-ichihashi

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 = 1.7

ph-index = 7

Forward Citations = 110(Granted Patents)


Location History:

  • Higashimatsuyama, JP (1988 - 1990)
  • Saitama, JP (1990)

Company Filing History:


Years Active: 1988-1990

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8 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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