For the Inventor, By the Inventor

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Epson Corporation

USPTO Granted Patents = 80

% Expired Patents = 1.3

Forward Citations = 1,671

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66 inventors (with patents filed for the assignee):

Haruhiko Koto (11 out of 16 patents)

Hiroyuki Akazawa (6 out of 10 patents)

Masaki Kurihara (6 out of 8 patents)

4. Hiroshi Ishii (4 out of 15 patents)

5. Junichi Okada (4 out of 6 patents)

6. Hitoshi Fujiwara (3 out of 15 patents)

7. Kenichiro Arai (3 out of 27 patents)

8. Masahiko Mori (3 out of 9 patents)

9. Yoshifumi Gomi (3 out of 11 patents)

10. Seiichi Hirano (3 out of 3 patents)

11. Kenji Sawada (3 out of 4 patents)

12. Masahiko Mizuno (3 out of 3 patents)

13. Naoyuki Maruyama (3 out of 3 patents)

14. Yoshinori Miyazawa (2 out of 46 patents)

15. Masanao Matsuzawa (2 out of 25 patents)

Core Competencies:

Ink Jet Printer

Print Head

Recording Apparatus

Liquid Crystal Display

Thermal Printer

Serial Printer

Electronic Printer

Compressor Controller

Modem

Paper Feeding Mechanism

Automotive Instrument Panel

Calculator

80 patents: Sort by Forward Citations

1. 6674423 - Drive unit and liquid crystal device (2004-01-06),

2. 5518373 - Compressor start-up controller (1996-05-21),

3. 5263183 - Radio antenna tuning circuit (1993-11-16),

4. 4806955 - Ink jet printer of the ink-on-demand type (1989-02-21),

5. D291442 - Computer (1987-08-18),

6. 4617581 - Ink jet printer of the ink-on-demand type (1986-10-14),

7. D284869 - Electronic calculator (1986-07-29),

8. 4597635 - Liquid crystal display device and a method of manufacturing the same (1986-07-01),

9. 4589000 - Ink jet printer of the ink-on-demand type (1986-05-13),

10. 4579468 - Wire dot printer utilizing multicolor inks (1986-04-01),

11. 4577931 - Liquid crystal composition (1986-03-25),

12. 4577203 - Ink jet recording apparatus (1986-03-18),

13. D282844 - Personal computer (1986-03-04),

14. D282843 - Portable electronic computer (1986-03-04),

15. 4572681 - Wire dot print head (1986-02-25),

Established in 1942, Epson Corporation is a leading manufacturer of printers, projectors, scanners, and other imaging equipment. With a strong focus on innovation and technology, Epson strives to exceed customer expectations by providing high-quality products that are energy efficient and environmentally friendly. Epson is committed to sustainable business practices and aims to contribute to the development of a sustainable society through its products and services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Epson Corporation

80 Patents

#19 in Nagano

#1,302 in Japan

#9,430 in the World

Epson Corporation

Forward Citations = 1,671

66 inventors:

Haruhiko Koto (11 out of 16 patents)

Hiroyuki Akazawa (6 out of 10 patents)

Masaki Kurihara (6 out of 8 patents)

4. Hiroshi Ishii (4 out of 15 patents)

5. Junichi Okada (4 out of 6 patents)

Please report any incorrect information to [email protected]

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