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Kurashiki, Japan

Kuraray Co., Ltd.

USPTO Granted Patents = 1,866

CIPO Patents = 389

EPO Patents = 727

Trademarks = 116

Forward Citations = 15,724

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2,373 inventors (with patents filed for the assignee):

Hideharu Iwasaki (48 out of 53 patents)

Toshiaki Sato (43 out of 44 patents)

Takashi Nishida (43 out of 44 patents)

4. Yoshin Tamai (38 out of 38 patents)

5. Naoki Fujiwara (36 out of 119 patents)

6. Yoshiji Fujita (36 out of 37 patents)

7. Takuji Okaya (32 out of 34 patents)

8. Kaoru Ikeda (31 out of 31 patents)

9. Takashi Fukumoto (29 out of 29 patents)

10. Shinji Tai (29 out of 29 patents)

11. Masato Nakamae (28 out of 28 patents)

12. Manzo Shiono (28 out of 30 patents)

13. Kazushige Ishiura (28 out of 29 patents)

14. Hiroshi Kawai (26 out of 26 patents)

15. Junichi Yamauchi (26 out of 28 patents)

Core Competencies:

Water-Soluble Film

Gas Barrier Resin Composition

Thermoplastic Elastomer Composition

Surface-Modified Fibers

Gas Separation Membrane Module

Hydrogel Composition

Plastic Scintillating Fiber

Rubber Compositions

Light-Emitting Display Device

Water Purifying Filter

Reinforcing Fibers

Napped Artificial Leather

1,866 patents: Sort by Forward Citations

1. 12492272 - Modified vinyl alcohol polymer, aqueous solution, and method for producing modified vinyl alcohol polymer (2025-12-09),

2. 12466925 - Water-soluble film, method of manufacturing same, and package (2025-11-11),

3. 12460111 - Reinforcing fibers and production method therefor, and molded article using same (2025-11-04),

4. 12460074 - Gas barrier resin composition, method for producing gas barrier resin composition, and molded product (2025-11-04),

5. 12442115 - High surface area braids (2025-10-14),

6. 12441914 - Aqueous emulsion and adhesive using same (2025-10-14),

7. 12441878 - Thermoplastic elastomer composition, laminate structure and method for producing said laminate structure (2025-10-14),

8. 12435212 - Resin composition and molded body (2025-10-07),

9. 12435195 - Surface-modified fibers, reinforcing fibers, and molded article using same (2025-10-07),

10. 12434198 - Gas separation membrane module (2025-10-07),

11. 12410555 - Metal-covered liquid crystal polyester multifilament (2025-09-09),

12. 12410311 - Resin composition and multilayered structure using same (2025-09-09),

13. 12410264 - Conjugated diene graft polymer and method for producing the same (2025-09-09),

14. 12409438 - Adsorption filter (2025-09-09),

15. 12404425 - Multilayer film and molded body provided with same (2025-09-02),

Kuraray Co., Ltd. is a global specialty chemical company that develops and manufactures innovative products across various industries. With a focus on technology and sustainability, Kuraray delivers high-performance materials, including resins, fibers, chemicals, and films. Their products are used in applications such as automotive, electronics, packaging, construction, and medical. Kuraray's commitment to research and development ensures cutting-edge solutions to meet customer needs worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

1,866 Patents

#1 in Kurashiki

#124 in Japan

#523 in the World

Kurashiki, Japan

Kuraray Co., Ltd.

Forward Citations = 15,724

2,373 inventors:

Hideharu Iwasaki (48 out of 53 patents)

Toshiaki Sato (43 out of 44 patents)

Takashi Nishida (43 out of 44 patents)

4. Yoshin Tamai (38 out of 38 patents)

5. Naoki Fujiwara (36 out of 119 patents)

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