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Seiko Epson Corporaition

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USPTO Granted Patents = 23

% Expired Patents = 26.1

Forward Citations = 154

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53 inventors (with patents filed for the assignee):

Taku Ishizawa (1 out of 198 patents)

Shinichi Tsubota (1 out of 11 patents)

Hitotoshi Kimura (1 out of 170 patents)

4. Norio Nakamura (1 out of 26 patents)

5. Seiji Aiso (1 out of 28 patents)

6. Yoshiaki Shimizu (1 out of 46 patents)

7. Toshiaki Koike (1 out of 40 patents)

8. Takumi Nagashima (1 out of 57 patents)

9. Hiroyuki Kawate (1 out of 58 patents)

10. Hiroyoshi Ozeki (1 out of 15 patents)

11. Manabu Yamaguchi (1 out of 13 patents)

12. So Yokota (1 out of 14 patents)

13. Katsumi Mori (1 out of 46 patents)

14. Satoshi Shinada (1 out of 203 patents)

15. Takahiro Miyata (1 out of 16 patents)

23 patents: Sort by Forward Citations

1. 10981383 - Liquid ejecting head and liquid ejecting apparatus (2021-04-20),

2. 10343412 - Liquid container (2019-07-09),

3. 9804806 - Ribbon preparation method, tape printing device and program (2017-10-31),

4. 9550386 - Liquid discharging apparatus and liquid discharge position adjustment method (2017-01-24),

5. 9366947 - Light source device, apparatus for directing cooling air over the light source device, and projector (2016-06-14),

6. 9180666 - Image recording device (2015-11-10),

7. 9156273 - Printer and printing system (2015-10-13),

8. 9104094 - Illumination system including first and second lens arrays wherein some lenses in the second array include a first and a second lens element (2015-08-11),

9. 9039625 - Head unit, ultrasonic probe, electronic instrument, and diagnostic device (2015-05-26),

10. 8201948 - Image display device having a screen with a fluorescent region (2012-06-19),

11. 7961985 - Image processing apparatus, image processing method, and program product thereof (2011-06-14),

12. 7823720 - Belt transport device and belt transport control method (2010-11-02),

13. D600745 - Multi-function printer (2009-09-22),

14. 7468329 - Dedoping of organic semiconductors (2008-12-23),

15. 7468310 - Method of machining substrate and method of manufacturing element (2008-12-23),

Company Overview

Seiko Epson Corporation, headquartered in Tokyo, Japan, is a global leader in imaging and printing technologies. The company specializes in the development and manufacturing of a wide range of products, including printers, projectors, and industrial automation equipment. Epson is also recognized for its innovations in microdevices and wearable technology. With a strong commitment to sustainability, the organization focuses on creating solutions that enhance productivity while minimizing environmental impact, serving diverse markets worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

23 Patents

#1,247 in Tokyo

#2,708 in Japan

#27,736 in the World

Seiko Epson Corporaition

Forward Citations = 154

53 inventors:

Taku Ishizawa (1 out of 198 patents)

Shinichi Tsubota (1 out of 11 patents)

Hitotoshi Kimura (1 out of 170 patents)

4. Norio Nakamura (1 out of 26 patents)

5. Seiji Aiso (1 out of 28 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Seiko Epson Corporaition. Retrieved from https://idiyas.com/company/seiko-epson-corporation

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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