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Seiko Epson Corporation

USPTO Granted Patents = 33,436

CIPO Patents = 30

EPO Patents = 2,509

Trademarks = 1

Forward Citations = 211,882

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7,758 inventors (with patents filed for the assignee):

Takashi Takeda (201 out of 203 patents)

Satoshi Shinada (199 out of 203 patents)

Taku Ishizawa (196 out of 198 patents)

4. Nobuaki Hashimoto (193 out of 202 patents)

5. Ken Ikuma (173 out of 173 patents)

6. Hitotoshi Kimura (169 out of 170 patents)

7. Atsushi Kobayashi (168 out of 198 patents)

8. Yujiro Nomura (158 out of 159 patents)

9. Tadahiro Mizutani (146 out of 147 patents)

10. Kesatoshi Takeuchi (143 out of 145 patents)

11. Koichi Akiyama (140 out of 141 patents)

12. Motoki Takabe (136 out of 136 patents)

13. Tatsuya Shimoda (131 out of 157 patents)

14. Toshio Kumagai (128 out of 129 patents)

15. Eiju Hirai (125 out of 126 patents)

Core Competencies:

Three-Dimensional Shaping

Liquid Ejecting Apparatus

Ink Jet Textile-Printing

Electronic Device

Light Source Device

Information Processing System

Optical Display Device

Piezoelectric Actuator

Radiation Curable Ink

Medium Discharge Device

Torque Transmission Mechanism

Abnormality Determination

33,436 patents: Sort by Forward Citations

1. 12501009 - Projector device, projector, supporting device, abnormality determination device, and abnormality determination method (2025-12-16),

2. 12501008 - Projection image adjustment method, projection system, and non-transitory computer-readable storage medium storing information processing program (2025-12-16),

3. 12499833 - Electro-optical device and electronic apparatus (2025-12-16),

4. 12499344 - Method of executing classification process using machine learning model, information processing device, and non-transitory computer-readable medium storing computer program (2025-12-16),

5. 12499339 - Printing apparatus, print control apparatus, and print control program (2025-12-16),

6. 12498627 - Light source apparatus and projector (2025-12-16),

7. 12498626 - Projector (2025-12-16),

8. 12497533 - Treatment liquid, recording method, and ink set (2025-12-16),

9. 12497528 - Aqueous ink jet ink composition and recording method (2025-12-16),

10. 12497261 - Processing device and recording device (2025-12-16),

11. 12497260 - Printing apparatus (2025-12-16),

12. 12497257 - Transport device and liquid ejection device (2025-12-16),

13. 12497254 - Medium transport device and recording device (2025-12-16),

14. 12496839 - Rolled paper printing apparatus (2025-12-16),

15. 12496837 - Printing device (2025-12-16),

Seiko Epson Corporation, commonly known as Epson, is a leading Japanese company that specializes in manufacturing computer printers, imaging equipment, and related electronic devices. Epson's innovative and high-quality products range from printers, projectors, scanners to industrial automation equipment and wearable devices. With a strong commitment to sustainability, Epson strives to minimize its impact on the environment through various initiatives, including the development of energy-efficient products and recycling programs. Visit their website to learn more about Epson's cutting-edge technology and solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

33,436 Patents

#7 in Tokyo

#8 in Japan

#19 in the World

Seiko Epson Corporation

Forward Citations = 211,882

7,758 inventors:

Takashi Takeda (201 out of 203 patents)

Satoshi Shinada (199 out of 203 patents)

Taku Ishizawa (196 out of 198 patents)

4. Nobuaki Hashimoto (193 out of 202 patents)

5. Ken Ikuma (173 out of 173 patents)

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