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Gakuji Yamamoto

This inventor holds 7 USPTO granted patents and 2 published patent applications. Top assignee: Seiko Epson Corporation. Active years: 2013-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Gakuji Yamamoto. Retrieved from https://idiyas.com/inventor/gakuji-yamamoto

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

USPTO Granted Patents = 7 (Patent Applications = 2)

% Patents Active = 85.7

Average Co-Inventor Count = 1.1

ph-index = 2

Forward Citations = 12(Granted Patents)

Location History:

Shiojiri, JP (2013 - 2015)
Fujimi, JP (2017)
Nagano, JP (2017 - 2022)

Company Filing History:

7 out of 34,296

Seiko Epson Corporation

Years Active: 2013-2024

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12115799 - Printing apparatus and printing method (2024-10-15),

2. 11256970 - Image processing method, printing method, and printing system (2022-02-22),

3. 9965669 - Optical device (2018-05-08),

4. 9804032 - Detecting device and electronic apparatus (2017-10-31),

5. 9559239 - Optical device (2017-01-31),

6. 9100998 - Light emitting apparatus, electronic equipment and method of driving pixel circuit that suppress light emission (2015-08-04),

7. 8436793 - Light emitting apparatus, electronic equipment and method of driving pixel circuit (2013-05-07),

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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