For the Inventor, By the Inventor

Enter assignee name

Dic-hercules Chemicals, Inc.

USPTO Granted Patents = 9

Forward Citations = 52

Loading Chart...

Loading Chart...

19 inventors (with patents filed for the assignee):

Masatomi Ogawa (3 out of 3 patents)

Toshiyuki Hakata (2 out of 17 patents)

Tsuyoshi Ikeda (2 out of 2 patents)

4. Mizunori Takahashi (2 out of 2 patents)

5. Mayumi Narushima (2 out of 2 patents)

6. Yoshiharu Yamaguchi (1 out of 1 patent)

7. Hideo Oikawa (1 out of 3 patents)

8. Kiyoshi Iwai (1 out of 1 patent)

9. Mitsuhiro Murata (1 out of 1 patent)

10. Tsugumi Ikegaya (1 out of 1 patent)

11. Hiroki Owaki (1 out of 1 patent)

12. Satoshi Takizawa (1 out of 1 patent)

13. Hiroharu Kawano (1 out of 1 patent)

14. Haruka Hirayama (1 out of 1 patent)

15. Jisuke Hayashi (1 out of 2 patents)

9 patents: Sort by Forward Citations

1. 5270355 - Paper coating resin and paper coating composition (1993-12-14),

2. 5229504 - Process for preparing a sulfonated chitosan (1993-07-20),

3. 5115065 - Polymeric papermaking additive (1992-05-19),

4. 5079303 - Surface treatment agent for paper (1992-01-07),

5. 5013775 - Sizing composition and sizing method (1991-05-07),

6. 4943608 - Rosin emulsion sizing agent (1990-07-24),

7. 4717758 - Papermaking additive (1988-01-05),

8. 4681909 - Rosin emulsion sizing agent (1987-07-21),

9. 4654386 - Ketene dimer-acrylamide polymer aqueous dispersion (1987-03-31),

Dic-hercules Chemicals, Inc. is a leading chemical manufacturer providing high-quality chemicals for various industries. With a commitment to innovation and sustainability, we offer a wide range of products including solvents, acids, and specialty chemicals. Our state-of-the-art facilities and experienced team ensure that we meet the needs of our customers with exceptional service and quality products.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

9 Patents

#1,787 in Tokyo

#4,573 in Japan

Dic-hercules Chemicals, Inc.

Forward Citations = 52

19 inventors:

Masatomi Ogawa (3 out of 3 patents)

Toshiyuki Hakata (2 out of 17 patents)

Tsuyoshi Ikeda (2 out of 2 patents)

4. Mizunori Takahashi (2 out of 2 patents)

5. Mayumi Narushima (2 out of 2 patents)

Please report any incorrect information to support@idiyas.com

Loading…