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Toyo Ink Co., Ltd.

USPTO Granted Patents = 30

CIPO Patents = 1

EPO Patents = 26

Forward Citations = 24

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41 inventors (with patents filed for the assignee):

Kazuhiro Jonai (13 out of 25 patents)

Mayuko Okamoto (10 out of 13 patents)

Yuji Kameyama (10 out of 13 patents)

4. Norio Suzuki (8 out of 90 patents)

5. Yohei Konda (7 out of 10 patents)

6. Yukitoshi Takahashi (5 out of 7 patents)

7. Masahiro Sugihara (4 out of 49 patents)

8. Atsushi Yoda (3 out of 14 patents)

9. Shinsuke Tsurutani (3 out of 3 patents)

10. Harunori Narihiro (3 out of 3 patents)

11. Daisuke Fujiwara (2 out of 35 patents)

12. Yoshihito Suzuki (2 out of 6 patents)

13. Toru Oya (2 out of 7 patents)

14. Masayoshi Utsugi (2 out of 6 patents)

15. Tohru Konno (2 out of 2 patents)

30 patents: Sort by Forward Citations

1. 12064949 - Conductive composition for molded film, molded film, molded article, and method for production thereof (2024-08-20),

2. 11591488 - Rosin-modified phenol resin, lithographic printing ink, and printed product (2023-02-28),

3. 11414518 - Rosin-modified resin and method for producing same, varnish for active energy ray-curable lithographic ink, active energy ray-curable lithographic ink, and printed product (2022-08-16),

4. 11128849 - Video signal conversion device, video signal conversion method, and non-transitory storage medium (2021-09-21),

5. 10647867 - Ink set for ink-jet recording (2020-05-12),

6. 10538723 - Maintenance liquid for active energy ray-curable inkjet ink (2020-01-21),

7. 10501654 - Pretreatment solution, ink set and method for producing printed matter (2019-12-10),

8. 10472532 - Magenta ink for ink-jet recording (2019-11-12),

9. 10457820 - Alcohol-based printing ink composition (2019-10-29),

10. 10208217 - Aqueous ink for inkjet and printing method (2019-02-19),

11. 10000649 - Active energy ray-curable inkjet ink composition (2018-06-19),

12. 9884973 - Active energy ray-curable inkjet ink and ink set (2018-02-06),

13. 9873810 - White ink for ink-jet (2018-01-23),

14. 9809723 - Active energy ray-curable inkjet ink composition (2017-11-07),

15. 9783689 - Solvent-based inkjet ink (2017-10-10),

TOYO INK CO., LTD. is a global leader in the production of printing inks, colorants, and functional materials. With over a century of experience, the company provides innovative solutions for various industries including packaging, publishing, and electronic materials. TOYO INK aims to contribute to society through its sustainable practices and cutting-edge technologies.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

30 Patents

#923 in Tokyo

#2,251 in Japan

#21,209 in the World

Toyo Ink Co., Ltd.

Forward Citations = 24

41 inventors:

Kazuhiro Jonai (13 out of 25 patents)

Mayuko Okamoto (10 out of 13 patents)

Yuji Kameyama (10 out of 13 patents)

4. Norio Suzuki (8 out of 90 patents)

5. Yohei Konda (7 out of 10 patents)

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