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Kuraray Co., Ltd.

USPTO Granted Patents = 38

CIPO Patents = 3

EPO Patents = 30

Forward Citations = 0

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168 inventors (with patents filed for the assignee):

Ryokei Endo (4 out of 12 patents)

Minoru Okamoto (4 out of 15 patents)

Yasuhiro Nonaka (3 out of 12 patents)

4. Makoto Suzuki (3 out of 13 patents)

5. Sayaka Shimizu (3 out of 13 patents)

6. Osamu Kazeto (3 out of 3 patents)

7. Satoshi Katsuya (2 out of 7 patents)

8. Masashi Meguro (2 out of 7 patents)

9. Keisuke Ikeda (2 out of 3 patents)

10. Tetsuya Hanamoto (2 out of 16 patents)

11. Hiroe Yoshinobu (2 out of 11 patents)

12. Takeshi Tsudaka (2 out of 4 patents)

13. Yuta Taoka (2 out of 2 patents)

14. Satoshi Ishiuchi (2 out of 2 patents)

15. Azusa Oshita (1 out of 4 patents)

38 patents: Sort by Forward Citations

1. 12735560 - Polypropylene-based resin composition, hydrogenated block copolymer, molded article, and interior-exterior decorative material for automobiles (2026-09-15),

2. 12735517 - Aqueous dispersion, aqueous emulsion, coating agent, coated paper, multilayer structure, packing material, adhesive agent, and aqueous emulsion production method (2026-09-15),

3. 12723138 - Waterproofing sheet for civil engineering use (2026-09-01),

4. 12722365 - Full-grain leather-like sheet (2026-09-01),

5. 12715966 - Water-soluble film and packaging (2026-08-25),

6. 12715958 - Amorphous epoxy fiber, fiber structure, and molded body (2026-08-25),

7. 12715195 - Multilayer film having excellent recoverability (2026-08-25),

8. 12709449 - WATER-SOLUBLE FILM AND PACKAGE (2026-08-18),

9. 12698355 - Vinyl alcohol polymer, method for producing vinyl alcohol polymer, dispersant for suspension polymerization, dispersion aid for suspension polymerization, and method for producing vinyl polymer (2026-08-04),

10. 12692635 - Liquid permeable body (2026-07-28),

11. 12692353 - Water-soluble film and package (2026-07-28),

12. 12686735 - Polymer, flame-retardant composition, and method of producing polymer (2026-07-21),

13. 12681224 - Polarizing plate, heat formed body formed thereof, and heat formed body manufacturing method (2026-07-14),

14. 12679965 - Composition, coating, film, and base material (2026-07-14),

15. 12678766 - Carbonaceous material and method for producing same, and fluorine-containing organic compound removing material, water purification filter, and water purifier (2026-07-14),

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

38 Patents

#6 in Okayama

#2,021 in Japan

#17,788 in the World

Kuraray Co., Ltd.

Forward Citations = 0

168 inventors:

Ryokei Endo (4 out of 12 patents)

Minoru Okamoto (4 out of 15 patents)

Yasuhiro Nonaka (3 out of 12 patents)

4. Makoto Suzuki (3 out of 13 patents)

5. Sayaka Shimizu (3 out of 13 patents)

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