% 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: Sort by Forward Citations

1. 7619015 - Photocurable ink composition (2009-11-17),

2. 7615266 - Ink jet recording material (2009-11-10),

3. 7569104 - Ink for ink-jet recording (2009-08-04),

4. 6213594 - Ink-jet printing head for preventing crosstalk (2001-04-10),

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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

4 Patents

#3,051 in Tokyo

#7,569 in Japan

Tokyo, Japan

Eiko Epson Corporation