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Toyo Ink Mfg. Co., Ltd.

USPTO Granted Patents = 105

CIPO Patents = 2

EPO Patents = 30

Trademarks = 16

Forward Citations = 658

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247 inventors (with patents filed for the assignee):

Takeshi Itoi (9 out of 15 patents)

Seiji Aida (8 out of 14 patents)

Kaori Nakano (7 out of 12 patents)

4. Ken Yamasaki (5 out of 5 patents)

5. Osamu Shiromaru (5 out of 7 patents)

6. Koichi Minato (4 out of 17 patents)

7. Hidesato Hagiwara (4 out of 14 patents)

8. Yasuo Yoshihiro (4 out of 5 patents)

9. Kinya Shiraishi (4 out of 4 patents)

10. Hideyo Tanaka (4 out of 5 patents)

11. Shigeki Kato (4 out of 42 patents)

12. Kaori Sakaguchi (3 out of 6 patents)

13. Kazuhiro Jonai (3 out of 25 patents)

14. Kenji Kitamura (3 out of 58 patents)

15. Takashi Kamikubo (3 out of 31 patents)

Core Competencies:

Brightening Ink Composition

Nonaqueous Inkjet Ink

Conductive Ink

Color Filter

Organic Transistor

Gas Barrier Laminate

Electrically Conductive Circuit

Photosensitive Composition

Aqueous Pigment Dispersion

Metal Particle Dispersion

Inkjet Ink

Packaging Material

105 patents: Sort by Forward Citations

1. 9187233 - Brightening ink composition for printing, paper container material using the brightening ink composition, and heat insulating foamed paper container (2015-11-17),

2. 8530400 - Maintenance liquid for inkjet printers (2013-09-10),

3. 8519020 - Nonaqueous inkjet ink and ink set (2013-08-27),

4. 8507791 - Sheet for sealing rear surface of solar cell (2013-08-13),

5. 8461075 - Recording material and method of recording (2013-06-11),

6. 8440110 - Method for producing metal particle dispersion, conductive ink using metal particle dispersion produced by such method, and conductive coating film (2013-05-14),

7. 8431195 - Ink composition for printing, paper container material using the ink composition, and heat insulating foamed paper container (2013-04-30),

8. 8378005 - Active energy ray-curable inkjet ink composition (2013-02-19),

9. 8362100 - Ink curable with actinic energy ray and printed matter (2013-01-29),

10. 8313800 - Method for producing conductive coating film (2012-11-20),

11. 8237894 - Color filter and liquid crystal display device (2012-08-07),

12. 8231960 - Decorative sheet and material (2012-07-31),

13. 8137793 - Ink composition and hardened material using thereof (2012-03-20),

14. 8114521 - Gas barrier laminate (2012-02-14),

15. 8105679 - Actinic radiation curable jet-printing ink (2012-01-31),

Toyo Ink Mfg. Co., Ltd. is a global leader in the printing ink industry. With over a century of experience, Toyo Ink has a strong presence in various segments such as packaging, publishing, and commercial printing. They offer a wide range of innovative and high-quality printing inks, coatings, adhesives, and related products. Toyo Ink is committed to sustainability and aims to provide eco-friendly solutions to its customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

105 Patents

#461 in Tokyo

#1,066 in Japan

#7,243 in the World

Toyo Ink Mfg. Co., Ltd.

Forward Citations = 658

247 inventors:

Takeshi Itoi (9 out of 15 patents)

Seiji Aida (8 out of 14 patents)

Kaori Nakano (7 out of 12 patents)

4. Ken Yamasaki (5 out of 5 patents)

5. Osamu Shiromaru (5 out of 7 patents)

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