This inventor holds 3 USPTO granted patents. Top assignees: Fuji Oil Company Limited, Hosokawa Micron Corporation. Active years: 1987-1991.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuhiro Ohtsubo. Retrieved from https://idiyas.com/inventor/nobuhiro-ohtsubo
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 = 4.3
ph-index = 2
Forward Citations = 12(Granted Patents)
Location History:
- Sennan, JP (1987 - 1990)
- Kaizuka, JP (1991)
Company Filing History:
3 out of 225 
Fuji Oil Company Limited
1 out of 15 Hosokawa Micron Corporation
where one patent can have more than one assignee
Years Active: 1987-1991
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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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuhiro Ohtsubo. Retrieved from https://idiyas.com/inventor/nobuhiro-ohtsubo
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]