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Arakawa Kagaku Kogyo Kabushiki Kaisha

USPTO Granted Patents = 33

Forward Citations = 418

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51 inventors (with patents filed for the assignee):

Kimio Kawatani (7 out of 7 patents)

Osamu Oseto (5 out of 5 patents)

Yoshihiro Kodama (4 out of 5 patents)

4. Masao Maeda (4 out of 7 patents)

5. Seiichi Tsuchida (4 out of 5 patents)

6. Kohtaro Matsuo (3 out of 3 patents)

7. Toshiharu Okumichi (3 out of 3 patents)

8. Muneharu Makita (3 out of 3 patents)

9. Nobuyuki Tani (2 out of 13 patents)

10. Atsushi Ikeda (2 out of 2 patents)

11. Fumio Moriuchi (2 out of 2 patents)

12. Shozo Tanioku (2 out of 6 patents)

13. Kiyoshi Sato (2 out of 2 patents)

14. Yukiharu Yamada (2 out of 4 patents)

15. Yutaka Koba (2 out of 3 patents)

33 patents: Sort by Forward Citations

1. 6011103 - Aqueous dispersion of cationic fine grain gel and process for preparing (2000-01-04),

2. 5817214 - Rosin emulsion sizing agent for paper making and method for paper sizing (1998-10-06),

3. 5606016 - Process for preparing colorless rosins (1997-02-25),

4. 5512641 - Aromatic polyimine and process for preparing the same, and aromatic (1996-04-30),

5. 5387669 - Process for preparing rosin ester and colorless rosin (1995-02-07),

6. 5354784 - Cyclopentadienyliron complex salt, process for preparing the same and (1994-10-11),

7. 5292826 - Process for lowering iodine value of resin (1994-03-08),

8. 5145522 - Ketene dimer sizing agent for paper making (1992-09-08),

9. 5062922 - Sizing paper with .alpha.-hydroxycarboxylic acid (1991-11-05),

10. 5053507 - Optically active pyrimidines derivatives (1991-10-01),

11. 4906733 - Process for preparing colorless rosin (1990-03-06),

12. 4863825 - Low temperature electrophotographic toner composition comprising (1989-09-05),

13. 4847010 - Process for preparing rosin ester with esterification and hydrogenation (1989-07-11),

14. 4814249 - Electrophotographic toner composition excellent in fixing property at (1989-03-21),

15. 4758617 - Process for preparing water-absorbing resin (1988-07-19),

Arakawa Kagaku Kogyo Kabushiki Kaisha is a global chemical company that specializes in the manufacture and sale of functional materials. They offer a wide range of products including specialty paper, functional resins, and chemical products. With a focus on sustainability and innovation, Arakawa Kagaku aims to contribute to the development of society through their advanced technologies and environmentally friendly solutions.

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

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USPTO Data Jan 1 1976 - Jan 6 2026

33 Patents

#207 in Osaka

#2,148 in Japan

#19,571 in the World

Arakawa Kagaku Kogyo Kabushiki Kaisha

Forward Citations = 418

51 inventors:

Kimio Kawatani (7 out of 7 patents)

Osamu Oseto (5 out of 5 patents)

Yoshihiro Kodama (4 out of 5 patents)

4. Masao Maeda (4 out of 7 patents)

5. Seiichi Tsuchida (4 out of 5 patents)

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