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Nippon Kayaku Co., Ltd

USPTO Granted Patents = 27

CIPO Patents = 1

EPO Patents = 5

Forward Citations = 105

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90 inventors (with patents filed for the assignee):

Kazumi Yamamoto (5 out of 13 patents)

Nozomu Nakanishi (4 out of 15 patents)

Shizuo Shimano (4 out of 12 patents)

4. Akinori Morikawa (4 out of 4 patents)

5. Hiroki Hotta (4 out of 4 patents)

6. Hidetoshi Shirakura (3 out of 4 patents)

7. Nobuto Minowa (3 out of 24 patents)

8. Daisaku Matsunaga (3 out of 8 patents)

9. Yoshiki Akatani (2 out of 10 patents)

10. Hiroshi Kurihara (2 out of 92 patents)

11. Noriaki Onishi (2 out of 40 patents)

12. Yasuo Shirasaki (2 out of 26 patents)

13. Yasuo Murakami (2 out of 14 patents)

14. Junichi Kon (2 out of 2 patents)

15. Tetsuya Toya (2 out of 2 patents)

27 patents: Sort by Forward Citations

1. 11267787 - Method for producing quinolin-4(1H)-one derivative (2022-03-08),

2. 10758484 - CED of SN-38-loaded micelles against brain tumor (2020-09-01),

3. 9869805 - Infrared reflective film, and laminated glass employing same (2018-01-16),

4. 9485987 - Aqueous suspended agricultural chemical composition (2016-11-08),

5. 9126934 - Process for producing 4-carbonyloxyquinoline derivatives (2015-09-08),

6. 8648195 - Stabilized crystal of 2-ethyl-3,7-dimethyl-6-(4-(trifluoromethoxy)phenoxy)quinoline-4-yl methyl carbonate, process for producing the crystal, and agricultural chemical composition comprising the crystal (2014-02-11),

7. 8367833 - Process for producing 6-aryloxyquinoline derivative and intermediate therefor (2013-02-05),

8. 7880006 - Quinoline derivatives and insecticide comprising thereof as active ingredient (2011-02-01),

9. 7282324 - Photoresist compositions, hardened forms thereof, hardened patterns thereof and metal patterns formed using them (2007-10-16),

10. 6399606 - Neuroprotective agents and methods related thereto (2002-06-04),

11. 6340772 - Process for preparing (hetero) aromatic substituted benzene derivatives (2002-01-22),

12. 6271418 - Process for preparing (hetero) aromatic substituted benzene derivatives (2001-08-07),

13. 6114364 - 2,3-disubstituted cyclopentanone derivatives, process for producing the (2000-09-05),

14. 6074708 - Photoinitiator photopolymerizable resin composition, polymer and liquid (2000-06-13),

15. 5942603 - Thermally stable crystal modification of dyestuff, process for (1999-08-24),

Nippon Kayaku Co., Ltd. is a global chemical company headquartered in Tokyo, Japan. Established in 1916, the company specializes in the development and manufacture of various chemical products across multiple sectors including pharmaceuticals, functional dyes, safety systems, and agrochemicals. Nippon Kayaku is committed to contributing to society through its innovative solutions and sustainable business practices.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

27 Patents

#993 in Tokyo

#2,405 in Japan

#23,290 in the World

Nippon Kayaku Co., Ltd

Forward Citations = 105

90 inventors:

Kazumi Yamamoto (5 out of 13 patents)

Nozomu Nakanishi (4 out of 15 patents)

Shizuo Shimano (4 out of 12 patents)

4. Akinori Morikawa (4 out of 4 patents)

5. Hiroki Hotta (4 out of 4 patents)

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