This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Tosoh Corporation, Chlorine Engineers Corp., Ltd., Thyssenkrupp Nucera Japan Ltd.. Active years: 2016-2023.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Sadahiro. Retrieved from https://idiyas.com/inventor/fumio-sadahiro
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 100.0
EPO Patents = 1 (Patent Applications = 1)
Average Co-Inventor Count = 5.0
ph-index = 1
Forward Citations = 3(Granted Patents)
Company Filing History:
2 out of 923 
Tosoh Corporation
1 out of 76 Chlorine Engineers Corp., Ltd.
1 out of 1 Thyssenkrupp Nucera Japan Ltd.
where one patent can have more than one assignee
Years Active: 2016-2023
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2 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: Fumio Sadahiro. Retrieved from https://idiyas.com/inventor/fumio-sadahiro
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]
1 patent (EPO):
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]
1 patent pending (EPO):
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]