This inventor holds 4 USPTO granted patents. Top assignees: Showa Water Industries Co., Ltd., Kuraray Co., Ltd., Osaka Gas Company Limited. Active years: 1994-2006.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Masumi Mizutani. Retrieved from https://idiyas.com/inventor/masumi-mizutani
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 75.0
Average Co-Inventor Count = 3.6
ph-index = 3
Forward Citations = 12(Granted Patents)
Company Filing History:
4 out of 5 Showa Water Industries Co., Ltd.
1 out of 1,872 
Kuraray Co., Ltd.
1 out of 353 
Osaka Gas Company Limited
4. 1 out of 2
Tokiwa Co., Ltd.
where one patent can have more than one assignee
Years Active: 1994-2006
Loading Chart...
4 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: Masumi Mizutani. Retrieved from https://idiyas.com/inventor/masumi-mizutani
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]