This inventor holds 5 USPTO granted patents. Top assignees: Rigaku Industrial Corporation, Kabushiki Kaisha Toshiba, Techno-X Co., Ltd.. Active years: 1981-2016.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Utaka. Retrieved from https://idiyas.com/inventor/tadashi-utaka
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 80.0
Average Co-Inventor Count = 2.5
ph-index = 4
Forward Citations = 79(Granted Patents)
Company Filing History:
4 out of 29 
Rigaku Industrial Corporation
1 out of 53,276 
Kabushiki Kaisha Toshiba
1 out of 1 Techno-X Co., Ltd.
where one patent can have more than one assignee
Years Active: 1981-2016
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5 patents (USPTO):Explore Patents
I specialize in innovations, inventions, inventors, patent attorneys, assignees, and patents only.
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: Tadashi Utaka. Retrieved from https://idiyas.com/inventor/tadashi-utaka
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]