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Sekisui Chemical Co., Ltd.

USPTO Granted Patents = 878

CIPO Patents = 26

EPO Patents = 473

Trademarks = 1

Forward Citations = 2,622

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935 inventors (with patents filed for the assignee):

Tatsuya Iwamoto (43 out of 43 patents)

Juichi Fukatani (40 out of 40 patents)

Kazuhiko Nakayama (39 out of 41 patents)

4. Yuusuke Oota (39 out of 39 patents)

5. Akira Nakasuga (31 out of 34 patents)

6. Daisuke Nakajima (25 out of 25 patents)

7. Hiroji Fukui (24 out of 26 patents)

8. Atsushi Nohara (22 out of 22 patents)

9. Shoji Nozato (21 out of 22 patents)

10. Shougo Yoshida (21 out of 21 patents)

11. Yasuyuki Izu (21 out of 21 patents)

12. Yasunari Kusaka (20 out of 22 patents)

13. Masanori Nakamura (20 out of 43 patents)

14. Nami Minakuchi (19 out of 19 patents)

15. Michio Shimamoto (18 out of 18 patents)

Core Competencies:

Polyvinyl Acetal Resin

Chlorinated Vinyl Chloride Resin

Laminated Glass

Heat Transfer Sheet

Crosslinked Polyolefin Resin Foam

Scaffold Material for Cell Culture

Microchannel Chip

Carbon Dioxide Reduction Device

Solar Cell

Epoxy Resin Composition

Non-Aqueous Electrolyte Secondary Battery

Nucleic Acid Isolation Kit

878 patents: Sort by Forward Citations

1. 12497468 - Polyvinyl acetal resin (2025-12-16),

2. 12486394 - Molding resin composition and molded article (2025-12-02),

3. 12486392 - Chlorinated vinyl chloride resin (2025-12-02),

4. 12486347 - Polyvinyl acetal resin (2025-12-02),

5. 12485641 - Laminated glass interlayer film and laminated glass (2025-12-02),

6. 12473460 - Crosslinked polyolefin resin foam, adhesive tape, layered body, molding, and display member (2025-11-18),

7. 12472592 - Heat transfer sheet, method for producing heat transfer sheet, heat transfer sheet package, and method for producing heat transfer sheet package (2025-11-18),

8. 12466164 - Intermediate film for laminated glasses, laminated glass, and automobile (2025-11-11),

9. 12460167 - Scaffold material for cell culture and cell culture container (2025-11-04),

10. 12460075 - Resin composition for molding and molded article (2025-11-04),

11. 12459212 - Electrofusion joint and fusion method (2025-11-04),

12. 12435207 - Carbon material composition (2025-10-07),

13. 12435165 - Vinyl alcohol-amino acid ester copolymer (2025-10-07),

14. 12434455 - Multilayer foam sheet and adhesive tape (2025-10-07),

15. 12434226 - Reducing agent and method for producing gas (2025-10-07),

Sekisui Chemical Co., Ltd. is a leading chemical company based in Japan. They specialize in the development, production, and distribution of a wide range of products including plastics, high-performance materials, and housing-related products. With a focus on sustainability and innovation, Sekisui Chemical Co., Ltd. strives to create products that meet the needs of today while also protecting the environment for future generations.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

878 Patents

#30 in Osaka

#245 in Japan

#1,117 in the World

Sekisui Chemical Co., Ltd.

Forward Citations = 2,622

935 inventors:

Tatsuya Iwamoto (43 out of 43 patents)

Juichi Fukatani (40 out of 40 patents)

Kazuhiko Nakayama (39 out of 41 patents)

4. Yuusuke Oota (39 out of 39 patents)

5. Akira Nakasuga (31 out of 34 patents)

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