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USPTO Data Jan 1 1976 - Oct 20 2026
4 Patents
#3,058 in Tokyo
#7,588 in Japan
Eiko Epson Corporation
Forward Citations = 20
9 inventors:
Eiko Epson Corporation
% Expired Patents = 50.0
Forward Citations = 20
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9 inventors (with patents filed for the assignee):
Tsuyoshi Kitahara (1 out of 77 patents)
Keitaro Nakano (1 out of 100 patents)
Takashi Oyanagi (1 out of 67 patents)
4. Yukio Tokunaga (1 out of 15 patents)
5. Masaya Shibatani (1 out of 27 patents)
6. Masahiro Yatake (1 out of 61 patents)
7. Hiroyuki Onishi (1 out of 50 patents)
8. Shuzo Kinoshita (1 out of 1 patent)
9. Masako Horai (1 out of 1 patent)
4 patents:
Company Overview
Eiko Epson Corporation is a Japanese company and one of the world's largest manufacturers of computer printers and imaging related equipment. The company's products are used in homes, businesses, and industrial settings. Epson has a strong focus on innovation and sustainability, constantly developing new technologies and reducing environmental impacts in its operations.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Eiko Epson Corporation. Retrieved from https://idiyas.com/company/eiko-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]
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]