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Kyowa Yuka Co., Ltd.

USPTO Granted Patents = 22

Forward Citations = 84

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51 inventors (with patents filed for the assignee):

Ikuo Shimizu (10 out of 34 patents)

Shigeru Murata (6 out of 9 patents)

Shoshiro Matsushita (5 out of 7 patents)

4. Hiroshi Toyoda (4 out of 43 patents)

5. Iwao Hotta (4 out of 4 patents)

6. Toshikazu Murayama (3 out of 8 patents)

7. Katsuhiro Ito (3 out of 5 patents)

8. Kazuyasu Osada (3 out of 3 patents)

9. Masanori Ikuta (3 out of 8 patents)

10. Shohei Konishi (3 out of 3 patents)

11. Shinichiro Jimbo (3 out of 9 patents)

12. Izumi Itani (3 out of 3 patents)

13. Motoharu Kinugasa (2 out of 14 patents)

14. Tsuguo Yamaoka (2 out of 34 patents)

15. Toshio Yamauchi (2 out of 2 patents)

22 patents: Sort by Forward Citations

1. 7417162 - Oily ingredient for cosmetic preparation and cosmetic preparation (2008-08-26),

2. 7358030 - Process for producing ether compound (2008-04-15),

3. 7223521 - Squarylium-metal chelate compounds and optical recording media (2007-05-29),

4. 7015363 - Process for producing ether compound (2006-03-21),

5. 6818262 - Filters for electronic display device (2004-11-16),

6. 6770709 - Resin composition (2004-08-03),

7. 6759484 - Method of diminishing odor emission (2004-07-06),

8. 6649693 - Polyurethane and water-compatible polyurethane resin (2003-11-18),

9. 6512057 - Resin composition (2003-01-28),

10. 6372871 - Dithiocarbonate composition (2002-04-16),

11. 6365783 - Process for producing alcohols (2002-04-02),

12. 6353078 - Polyurethane adhesive, method for use in bonding, and use of mixture (2002-03-05),

13. 6331653 - Process for producing 3,4-dihydroxy-3-cyclobutene-1,2-dione (2001-12-18),

14. 6160044 - Compositions containing dithiocarbonate compound (2000-12-11),

15. 616004 - Compositions containing dithiocarbonate compound (2000-12-12),

Kyowa Yuka Co., Ltd. is a Japanese company specialized in the manufacturing and distribution of chemicals and industrial materials. With over 100 years of experience, Kyowa Yuka has become a leading player in the industry, offering high-quality products and innovative solutions. Their extensive product portfolio includes various chemicals, such as synthetic resins, solvents, and pharmaceutical ingredients, as well as functional materials for electronics, automotive, and construction sectors. The company is committed to sustainability and continuous improvement, aiming to contribute to society with environmentally friendly practices. For more information, please visit Kyowa Yuka's official website.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

22 Patents

#1,118 in Tokyo

#2,725 in Japan

#27,919 in the World

Kyowa Yuka Co., Ltd.

Forward Citations = 84

51 inventors:

Ikuo Shimizu (10 out of 34 patents)

Shigeru Murata (6 out of 9 patents)

Shoshiro Matsushita (5 out of 7 patents)

4. Hiroshi Toyoda (4 out of 43 patents)

5. Iwao Hotta (4 out of 4 patents)

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