This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Mitsubishi Tanabe Pharma Corporation, The Green Cross Corporation. Active years: 1992-2014.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Nakakubo. Retrieved from https://idiyas.com/inventor/hiroshi-nakakubo
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 33.3
EPO Patents = 1
Average Co-Inventor Count = 3.5
ph-index = 1
Forward Citations = 25(Granted Patents)
Company Filing History:
2 out of 263 
Mitsubishi Tanabe Pharma Corporation
1 out of 264 
The Green Cross Corporation
Years Active: 1992-2014
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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: Hiroshi Nakakubo. Retrieved from https://idiyas.com/inventor/hiroshi-nakakubo
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]
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]