This inventor holds 6 USPTO granted patents. Top assignees: Komatsu Corporation, Kabushiki Kaisha Komatsu Seisakusho. Active years: 1997-2002.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoji Hamasaka. Retrieved from https://idiyas.com/inventor/naoji-hamasaka
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 = 2.5
ph-index = 6
Forward Citations = 104(Granted Patents)
Location History:
- Osaka, JP (1997 - 1999)
- Hirakata, JP (2001 - 2002)
Company Filing History:
5 out of 2,813 
Komatsu Corporation
1 out of 1,009 Kabushiki Kaisha Komatsu Seisakusho
Years Active: 1997-2002
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6 patents (USPTO):Explore Patents
1. 6447619 - High surface pressure resistant steel parts and methods of producing same (2002-09-10),
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: Naoji Hamasaka. Retrieved from https://idiyas.com/inventor/naoji-hamasaka
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]