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Yoshifumi Nagai

This inventor holds 6 USPTO granted patents, plus 3 CIPO patents and 4 EPO patents. Top assignee: Nichia Corporation. Active years: 2003-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshifumi Nagai. Retrieved from https://idiyas.com/inventor/yoshifumi-nagai

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

USPTO Granted Patents = 6

% Patents Active = 100.0

CIPO Patents = 3

EPO Patents = 4 (Patent Applications = 1)

Average Co-Inventor Count = 2.6

ph-index = 3

Forward Citations = 108(Granted Patents)

Company Filing History:

Nichia Corporation

Years Active: 2003-2008

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7425459 - Light emitting device, display apparatus with an array of light emitting devices, and display apparatus method of manufacture (2008-09-16),

2. 7087445 - Light emitting device, display apparatus with an array of light emitting devices, and display apparatus method of manufacture (2006-08-08),

3. 7015902 - Display and display drive circuit or display drive method (2006-03-21),

4. 6839056 - Drive circuit of display and display (2005-01-04),

5. 6800996 - Light emitting device, display apparatus with an array of light emitting devices, and display apparatus method of manufacture (2004-10-05),

6. 6657382 - Light emitting device, display apparatus with an array of light emitting devices, and display apparatus method of manufacture (2003-12-02),

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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