This inventor holds 5 USPTO granted patents. Top assignees: Toyo Seikan Kaisha, Ltd., Fujisawa Pharmaceutical Company, Ltd., Weyerhaeuser Company Limited. Active years: 1981-1991.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Ito. Retrieved from https://idiyas.com/inventor/kazuo-ito-nppho9af
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 = 1.3
ph-index = 5
Forward Citations = 196(Granted Patents)
Company Filing History:
4 out of 586 
Toyo Seikan Kaisha, Ltd.
1 out of 940 
Fujisawa Pharmaceutical Company, Ltd.
1 out of 664 
Weyerhaeuser Company Limited
where one patent can have more than one assignee
Years Active: 1981-1991
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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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Ito. Retrieved from https://idiyas.com/inventor/kazuo-ito-nppho9af
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
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]
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]
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]
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]
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]