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Epson Corporation

USPTO Granted Patents = 80

Trademarks = 5

Forward Citations = 1,663

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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

Liquid Crystal Display

Electronic Calculator

Variable Frequency Oscillator

Portable Computer

Serial Printer

Ink Roller Set

Paper Feeding Apparatus

Wire Dot Printer

Ink Jet Recording Head

Compressor Controller

Backlighted Display

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 - Dec 9 2025

80 Patents

#541 in Tokyo

#1,257 in Japan

#9,062 in the World

Epson Corporation

Forward Citations = 1,663

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)

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