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Kureha Chemical Industry Company, Limited

USPTO Granted Patents = 128

CIPO Patents = 5

Trademarks = 6

Forward Citations = 1,128

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221 inventors (with patents filed for the assignee):

Koichi Niimura (19 out of 38 patents)

Michihito Ise (12 out of 15 patents)

Takao Ando (12 out of 48 patents)

4. Mikiro Yanaka (11 out of 24 patents)

5. Takashi Wakasugi (9 out of 10 patents)

6. Hiroyuki Enari (9 out of 23 patents)

7. Toru Yamazaki (8 out of 49 patents)

8. Fuyuhiko Nishijima (8 out of 8 patents)

9. Yuko Ikeda (8 out of 11 patents)

10. Koju Watanabe (7 out of 8 patents)

11. Saburo Hori (7 out of 12 patents)

12. Tadashi Miyakawa (6 out of 7 patents)

13. Toshikazu Dewa (6 out of 6 patents)

14. Hideaki Tanaka (5 out of 40 patents)

15. Toshiya Mizuno (5 out of 51 patents)

Core Competencies:

Oral Administration

Lithium Rechargeable Batteries

Vinylidene Fluoride Copolymer

Antiviral Drugs

Gas-Barrier Films

Chondroprotective Agents

Pharmaceutical Composition

Deep Draw Packing

Controlled Release Preparations

Microbial Strains

Aromatic Compounds

Bone Inducing Material

128 patents: Sort by Forward Citations

1. 7651974 - Adsorbent for oral administration (2010-01-26),

2. 7237371 - Deep draw packing method and film with small shrinkability for deep draw packing (2007-07-03),

3. 7235329 - Electrode material for non-aqueous solvent-secondary cell, electrode and secondary cell (2007-06-26),

4. 7208555 - Process for preparing polyvinylidene fluoride copolymer (2007-04-24),

5. 7135559 - Proteins and novel genes encoding the same (2006-11-14),

6. 7098215 - Nitrogenous compounds and antiviral drugs containing the same (2006-08-29),

7. 7053231 - Building material (2006-05-30),

8. 6921609 - Gradient cathode material for lithium rechargeable batteries (2005-07-26),

9. 6855461 - Cathode material for lithium rechargeable batteries (2005-02-15),

10. 6852827 - Polyester production process and reactor apparatus (2005-02-08),

11. 6843948 - Vinylidene fluoride resin compositions and articles molded therefrom (2005-01-18),

12. 6830753 - Adsorbent for oral administration (2004-12-14),

13. 6750249 - Controlled release oral preparations of esculetin and its derivatives (2004-06-15),

14. 6749940 - Moistureproof multilayered film (2004-06-15),

15. 6746762 - Film selectively permeable to carbon dioxide gas and food packaging film comprising the same (2004-06-08),

Kureha Chemical Industry Company, Limited is a global chemical company that specializes in the development and manufacturing of advanced materials. With over 60 years of experience, Kureha provides innovative solutions in various industries including pharmaceuticals, electronics, automotive, and packaging. Their advanced materials include engineering plastics, functional films, resins, and fine chemicals. With a commitment to sustainability and quality, Kureha continues to drive progress and meet the evolving needs of their customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

128 Patents

#414 in Tokyo

#938 in Japan

#6,098 in the World

Kureha Chemical Industry Company, Limited

Forward Citations = 1,128

221 inventors:

Koichi Niimura (19 out of 38 patents)

Michihito Ise (12 out of 15 patents)

Takao Ando (12 out of 48 patents)

4. Mikiro Yanaka (11 out of 24 patents)

5. Takashi Wakasugi (9 out of 10 patents)

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