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Tosoh Finechem Corporation

USPTO Granted Patents = 32

EPO Patents = 21

Trademarks = 4

Forward Citations = 1,137

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43 inventors (with patents filed for the assignee):

Kenichi Haga (11 out of 11 patents)

Kouji Toyota (10 out of 10 patents)

Koichiro Inaba (7 out of 10 patents)

4. Eiichi Kaji (7 out of 7 patents)

5. Toshio Naka (6 out of 6 patents)

6. Shizuo Tomiyasu (6 out of 6 patents)

7. Kohichi Tokudome (6 out of 6 patents)

8. Yujin Takemoto (5 out of 5 patents)

9. Norihisa Kondo (4 out of 8 patents)

10. Hiroshi Matsuo (4 out of 4 patents)

11. Toshiaki Taniike (3 out of 5 patents)

12. Hideki Miyauchi (3 out of 3 patents)

13. Etsuo Yoshioka (3 out of 3 patents)

14. Yusuke Shigeta (3 out of 3 patents)

15. Shinichiro Nakamura (2 out of 2 patents)

32 patents: Sort by Forward Citations

1. 12516143 - Polystyrene-based polyampholyte having upper critical solution temperature, and application for same (2026-01-06),

2. 12151261 - Composition for formation of zinc oxide thin film, and method for producing a zinc oxide thin film (2024-11-26),

3. 11840522 - Method of stabilizing perfluoro(2-methylene-4-methyl-1,3-dioxolane) and composition containing stabilized perfluoro(2-methylene-4-methyl-1,3-dioxolane) (2023-12-12),

4. 11820871 - Aluminum oxide-forming composition and method for producing same (2023-11-21),

5. 11795277 - Polyolefin-based polymer nanocomposite containing zinc oxide particles and method of producing same (2023-10-24),

6. 11767308 - Method of stabilizing perfluorodioxolane compound, perfluorodioxolane compound-containing composition and method of producing perfluorodioxolane compound polymer (2023-09-26),

7. 11591349 - Aluminum alloy-containing composition, production method therefor, and trialkyl aluminum production method (2023-02-28),

8. 11555024 - Aldehyde adduct of hexafluoropropylene oxide, method of manufacturing trifluoropyruvyl fluoride dimer and method of manufacturing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane) (2023-01-17),

9. 11482709 - Aluminum oxide article (2022-10-25),

10. 11459410 - High-purity amphipathic arylsulfonic acid amine salt vinyl monomer and copolymer thereof (2022-10-04),

11. 11453786 - Dialkylzinc- and dialkylzinc partial hydrolysate-containing solution, and method for producing zinc oxide thin film using solution (2022-09-27),

12. 11352457 - Fluorine-containing compound having unsaturated bond, and surface modifier using the same (2022-06-07),

13. 11267940 - Aluminum-oxide-forming composition and method for producing same, and polyolefin-based polymer nanocomposite containing zinc oxide particles or aluminum oxide particles and method of producing same (2022-03-08),

14. 10870666 - Aluminum alloy-containing composition, production method therefor, and trialkyl aluminum production method (2020-12-22),

15. 10793652 - Solid PMAO composition and method for producing same (2020-10-06),

TOSOH FINECHEM CORPORATION is a leading chemical company specialized in the production of high-quality fine chemicals. With a dedication to innovation, sustainability, and customer satisfaction, TOSOH FINECHEM CORPORATION offers a wide range of chemical products, including functional polymers, catalysts, electronic materials, and more. We strive to provide cutting-edge solutions that meet the evolving needs of various industries such as electronics, automotive, pharmaceuticals, and agriculture. Visit our website to learn more about our products, services, and commitment to excellence.

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

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USPTO Data Jan 1 1976 - Jan 6 2026

32 Patents

#3 in Shunan

#2,183 in Japan

#20,108 in the World

Tosoh Finechem Corporation

Forward Citations = 1,137

43 inventors:

Kenichi Haga (11 out of 11 patents)

Kouji Toyota (10 out of 10 patents)

Koichiro Inaba (7 out of 10 patents)

4. Eiichi Kaji (7 out of 7 patents)

5. Toshio Naka (6 out of 6 patents)

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