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Taoka Chemical Company, Limited

USPTO Granted Patents = 34

EPO Patents = 3

Trademarks = 2

Forward Citations = 410

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69 inventors (with patents filed for the assignee):

Chiaki Hata (8 out of 8 patents)

Hideo Kawashita (6 out of 11 patents)

Eizo Kajigaki (5 out of 5 patents)

4. Naomi Okamura (4 out of 17 patents)

5. Yoshio Nagahama (4 out of 4 patents)

6. Yukinori Nishino (4 out of 4 patents)

7. Akio Nimura (4 out of 7 patents)

8. Masayuki Fukai (4 out of 4 patents)

9. Keizi Shimizu (4 out of 4 patents)

10. Keiji Shimizu (3 out of 4 patents)

11. Katsuhiro Fujii (3 out of 3 patents)

12. Takao Hino (3 out of 5 patents)

13. Masaaki Hama (3 out of 3 patents)

14. Nobuyuki Sato (2 out of 2 patents)

15. Suguru Hata (2 out of 2 patents)

34 patents: Sort by Forward Citations

1. 10689318 - Bisphenol having fluorene skeleton, method for producing same, polyarylate resin, (meth)acrylate compound and epoxy resin which are derived from the bisphenol (2020-06-23),

2. 9862794 - Co-condensate and method for producing the same, and rubber composition containing the same (2018-01-09),

3. 9518141 - Resol-type para-octylphenol-formaldehyde co-condensation resin and method for producing the same (2016-12-13),

4. 8975433 - 2-cyanoacrylate-purifying method (2015-03-10),

5. 8945299 - Method for purifying ethyl-2-cyanoacrylate adhesive composition and ethyl-2-cyanoacrylate adhesive composition (2015-02-03),

6. 8841491 - Method for producing fluorene derivative (2014-09-23),

7. 8436214 - Noncrystalline form of fluorene derivative and process for preparation thereof (2013-05-07),

8. 8093434 - Crystal polymorph of fluorene derivative and production method thereof (2012-01-10),

9. D557340 - Container for glue (2007-12-11),

10. D555012 - Container for glue (2007-11-13),

11. D537731 - Container for glue with stand (2007-03-06),

12. D537730 - Container for glue (2007-03-06),

13. 7118013 - α-cyanoacrylate adhesive systems (2006-10-10),

14. D497107 - Container for wrapping purpose (2004-10-13),

15. D496279 - Enclosure for a container (2004-09-22),

Established in 1913, Taoka Chemical Company, Limited is a leading global manufacturer and supplier of chemical products. With a strong focus on innovation and sustainability, we strive to provide high-quality solutions to meet the diverse needs of our customers. Our extensive range of products includes fine chemicals, functional materials, and specialty chemicals used in various industries such as electronics, automotive, pharmaceuticals, and more. Visit our website to learn more about our cutting-edge technologies and commitment to creating a better future.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

34 Patents

#200 in Osaka

#2,117 in Japan

#19,060 in the World

Taoka Chemical Company, Limited

Forward Citations = 410

69 inventors:

Chiaki Hata (8 out of 8 patents)

Hideo Kawashita (6 out of 11 patents)

Eizo Kajigaki (5 out of 5 patents)

4. Naomi Okamura (4 out of 17 patents)

5. Yoshio Nagahama (4 out of 4 patents)

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