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For the Inventor, By the Inventor

Okayama, Japan

Kuraray Co., Ltd.


USPTO Granted Patents = 44



Forward Citations = 0

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195 inventors (with patents filed for the assignee):

goldMedal Ryokei Endo (5 out of 13 patents)

silverMedal Minoru Okamoto (4 out of 15 patents)

bronzeMedal Yasuhiro Nonaka (3 out of 12 patents)

4.  Satoshi Katsuya (3 out of 8 patents)

5.  Makoto Suzuki (3 out of 13 patents)

6.  Sayaka Shimizu (3 out of 13 patents)

7.  Osamu Kazeto (3 out of 3 patents)

8.  Yosuke Washitake (2 out of 10 patents)

9.  Masashi Meguro (2 out of 7 patents)

10.  Keisuke Ikeda (2 out of 3 patents)

11.  Tetsuya Hanamoto (2 out of 16 patents)

12.  Hiroe Yoshinobu (2 out of 11 patents)

13.  Takeshi Tsudaka (2 out of 4 patents)

14.  Yuta Taoka (2 out of 2 patents)

15.  Hideki Kamada (2 out of 2 patents)


Core Competencies:
Fiber-Reinforced Resin
Vinyl Acetate Polymer
Liquid Crystal Polyester
Water-Soluble Film
Multilayer Structure
Polypropylene Resin
Flame-Retardant Composition
Carbonaceous Material
Aqueous Emulsion
Adhesive Agent
Polycarbonate Fibers
Diffusion Plate

44 patents:

1. 12753295 - Emulsion composition and method for producing same (2026-10-06),
2. 12742261 - Liquid crystal polyester fibers and method for producing same (2026-09-22),
3. 12742029 - Ethylene-vinyl alcohol copolymer and aqueous solution using same (2026-09-22),
4. 12742023 - Vinyl acetate, vinyl acetate polymer, and vinyl alcohol polymer (2026-09-22),
5. 12741452 - Heat and shock resistant transparent membrane (2026-09-22),
6. 12741400 - Fiber-reinforced resin composite body, production method therefor, and non-woven fabric for use in fiber-reinforced resin composite body (2026-09-22),
7. 12735560 - Polypropylene-based resin composition, hydrogenated block copolymer, molded article, and interior-exterior decorative material for automobiles (2026-09-15),
8. 12735517 - Aqueous dispersion, aqueous emulsion, coating agent, coated paper, multilayer structure, packing material, adhesive agent, and aqueous emulsion production method (2026-09-15),
9. 12723138 - Waterproofing sheet for civil engineering use (2026-09-01),
10. 12722365 - Full-grain leather-like sheet (2026-09-01),
11. 12715966 - Water-soluble film and packaging (2026-08-25),
12. 12715958 - Amorphous epoxy fiber, fiber structure, and molded body (2026-08-25),
13. 12715195 - Multilayer film having excellent recoverability (2026-08-25),
14. 12709449 - WATER-SOLUBLE FILM AND PACKAGE (2026-08-18),
15. 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),
Company Overview
Kuraray Co., Ltd. is a leading Japanese company specializing in the development and manufacturing of advanced materials and chemicals. The organization focuses on a diverse range of sectors, including healthcare, automotive, and industrial applications. Kuraray is recognized for its innovative solutions in fields such as synthetic fibers, adhesives, and specialty chemicals, contributing to enhanced performance and sustainability across various industries. With a commitment to research and development, Kuraray continues to drive technological advancements globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

44 Patents

#6 in Okayama

#1,862 in Japan

#15,738 in the World

Okayama, JP
Okayama, Japan

Kuraray Co., Ltd.

Forward Citations = 0

195 inventors:

goldMedal Ryokei Endo (5 out of 13 patents)

silverMedal Minoru Okamoto (4 out of 15 patents)

bronzeMedal Yasuhiro Nonaka (3 out of 12 patents)

4.  Satoshi Katsuya (3 out of 8 patents)

5.  Makoto Suzuki (3 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kuraray Co., Ltd.. Retrieved from https://idiyas.com/company/kuraray

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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