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For the Inventor, By the Inventor

Gunma, Japan

Atsushi Hirano

This inventor holds 4 USPTO granted patents. Top assignee: Nec Corporation. Active years: 1993-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsushi Hirano. Retrieved from https://idiyas.com/inventor/atsushi-hirano-y87eyn5o

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 22(Granted Patents)


Company Filing History:

goldMedal4 out of 36,735 
 
Nec Corporation
 patents

Years Active: 1993-1997

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4 patents (USPTO):Explore Patents
1. 5644449 - Magnetic head slider assembly (1997-07-01),
2. 5235483 - Magnetic head having a groove between high and low track density cores (1993-08-10),
3. 5229903 - Magnetic head with inclined core (1993-07-20),
4. 5181150 - Dual magnetic head for reading and writing information at high and low (1993-01-19),
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]
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