For the Inventor, By the Inventor

Enter assignee name

Tohto Kasei Co., Ltd.

USPTO Granted Patents = 11

Trademarks = 2

Forward Citations = 73

Loading Chart...

Loading Chart...

29 inventors (with patents filed for the assignee):

Shuya Shinohara (3 out of 3 patents)

Masao Gunji (2 out of 5 patents)

Chiaki Asano (2 out of 5 patents)

4. Yasuyuki Takeda (2 out of 8 patents)

5. Nobuhisa Saito (2 out of 2 patents)

6. Nobuhisa Saitoh (2 out of 2 patents)

7. Masayoshi Hanafusa (2 out of 2 patents)

8. Hidenori Nozawa (2 out of 2 patents)

9. Yoshiyuki Morikawa (2 out of 3 patents)

10. Tetsunori Sato (2 out of 4 patents)

11. Minoru Hino (2 out of 7 patents)

12. Takao Oshima (2 out of 5 patents)

13. Yukio Nakamura (1 out of 55 patents)

14. Hiroshi Nakanishi (1 out of 16 patents)

15. Yoshiaki Nakamura (1 out of 45 patents)

11 patents: Sort by Forward Citations

1. 7332557 - Epoxy resin, epoxy resin composition thereof and cured product thereof (2008-02-19),

2. 7268192 - Process for producing high-purity epoxy resin and epoxy resin composition (2007-09-11),

3. 6933050 - Epoxy resin compositions containing phosphorus, flame retardant resin sheet using said epoxy resin containing phosphorus, resin clad metal foil, prepreg and laminated board, multi layer board (2005-08-23),

4. 6762251 - Thermoplastic polyhydroxypolyether resin and an insulation film produced therefrom (2004-07-13),

5. 6569959 - Modified phenolic hydroxyl-containing resin by reacting epoxy resin with difunctional phenol (2003-05-27),

6. 6169159 - Alcohol-blocked brominated bisphenol a epoxy resin flame retardants for carbonyl-containing thermoplastic resins (2001-01-02),

7. 6046284 - Phenolic hydroxyl-containing resin by reacting epoxy resin with excess (2000-04-04),

8. 5837799 - Fire-retardant compound, a process for producing said fire-retardant (1998-11-17),

9. 4463134 - Modified epoxy resin composition (1984-07-31),

10. 4447579 - Epoxy resin adhesive compositions (1984-05-08),

11. 4371665 - Modified epoxy resin composition (1983-02-01),

Tohto Kasei Co., Ltd. is a leading manufacturer of high-quality chemical products in Japan. With over 50 years of experience, the company specializes in the production of specialty chemicals used in various industries such as automotive, electronics, and construction. Tohto Kasei is known for its commitment to innovation, quality, and customer satisfaction.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

11 Patents

#172 in

#4,040 in Japan

#50,224 in the World

Tohto Kasei Co., Ltd.

Forward Citations = 73

29 inventors:

Shuya Shinohara (3 out of 3 patents)

Masao Gunji (2 out of 5 patents)

Chiaki Asano (2 out of 5 patents)

4. Yasuyuki Takeda (2 out of 8 patents)

5. Nobuhisa Saito (2 out of 2 patents)

Please report any incorrect information to support@idiyas.com

Loading…