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For the Inventor, By the Inventor

Tokyo, Japan

Sekio Epson Corporation


USPTO Granted Patents = 2

% Expired Patents = 50.0

Forward Citations = 6

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4 inventors (with patents filed for the assignee):

goldMedal Atsushi Yoshida (1 out of 30 patents)

silverMedal Gregory A Blum (1 out of 15 patents)

bronzeMedal Jeremy Scuteri (1 out of 3 patents)

4.  Shigenori Fukasawa (1 out of 28 patents)


2 patents:

1. 7471148 - Differential low noise amplifier (LNA) with common mode feedback and gain control (2008-12-30),
2. 6631975 - Ink jet recording apparatus and method of controlling wiping operation of recording head in the ink jet recording apparatus (2003-10-14),
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USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#4,366 in Tokyo

#11,133 in Japan

Tokyo, JP
Tokyo, Japan

Sekio Epson Corporation

Forward Citations = 6

4 inventors:

goldMedal Atsushi Yoshida (1 out of 30 patents)

silverMedal Gregory A Blum (1 out of 15 patents)

bronzeMedal Jeremy Scuteri (1 out of 3 patents)

4.  Shigenori Fukasawa (1 out of 28 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sekio Epson Corporation. Retrieved from https://idiyas.com/company/sekio-epson

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]
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