Tama, Japan

Mazakazu Koiso

This inventor holds 3 USPTO granted patents. Top assignee: Kel Corporation. Active years: 1996-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mazakazu Koiso. Retrieved from https://idiyas.com/inventor/mazakazu-koiso

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 = 4.0

ph-index = 3

Forward Citations = 48(Granted Patents)


Company Filing History:


Years Active: 1996-1997

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3 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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