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Nippon Shokubai Co., Ltd.

USPTO Granted Patents = 1,332

CIPO Patents = 4

EPO Patents = 420

Trademarks = 30

Forward Citations = 10,357

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1,113 inventors (with patents filed for the assignee):

Kunihiko Ishizaki (102 out of 104 patents)

Yukihiro Matsumoto (54 out of 56 patents)

Kazushi Torii (51 out of 52 patents)

4. Katsuyuki Wada (51 out of 51 patents)

5. Kazuhiko Sakamoto (51 out of 51 patents)

6. Takeshi Nishimura (50 out of 52 patents)

7. Yoshio Irie (45 out of 58 patents)

8. Kozo Nogi (43 out of 45 patents)

9. Yorimichi Dairoku (41 out of 43 patents)

10. Sei Nakahara (41 out of 41 patents)

11. Michio Tanimoto (41 out of 41 patents)

12. Shigeru Yamaguchi (39 out of 42 patents)

13. Shigeru Sakamoto (38 out of 40 patents)

14. Tsuyoshi Hirata (38 out of 44 patents)

15. Nobuyuki Harada (38 out of 43 patents)

Core Competencies:

Acrylic Polymer

Water-Absorbing Resin

Electrolyte Composition

Photocurable Composition

Zirconium Oxide Nanoparticles

Amphiphilic Compound

Cement Additive

Organic Electroluminescent Element

Thermoelectric Material

Water Treatment Membrane

Polymeric Material

Binder Composition

1,332 patents: Sort by Forward Citations

1. 12503614 - Resin emulsion for water-based ink (2025-12-23),

2. 12473456 - Aqueous dispersion, production method therefor, coating composition, and coating film (2025-11-18),

3. 12473388 - Acrylic polymer (2025-11-18),

4. 12456753 - Electrolyte composition, solvent composition, non-aqueous electrolyte, and use thereof (2025-10-28),

5. 12441623 - Zirconium oxide nanoparticles, dispersion liquid and resin composition (2025-10-14),

6. 12434190 - Draw solute, draw solution, and water treatment device (2025-10-07),

7. 12384947 - Binder and bonded object (2025-08-12),

8. 12338327 - Polymeric material, production method therefor, and polymeric material composition (2025-06-24),

9. 12337295 - Water-absorbing resin and manufacturing method for same (2025-06-24),

10. 12319571 - Bis(fluorosulfonyl)imide compound and method for producing same (2025-06-03),

11. 12297302 - Amphiphilic compound, and medical resin composition and pharmaceutical additive using the same (2025-05-13),

12. 12285739 - Water absorbent agent and method for producing water absorbent agent (2025-04-29),

13. 12259082 - Easily polymerizable substance handling device (2025-03-25),

14. 12215057 - Cement additive, cement admixture, cement composition, molded body, and method for improving strength of molded body (2025-02-04),

15. 12201962 - Method for producing particulate water absorbent, and particulate water absorbent (2025-01-21),

Nippon Shokubai Co., Ltd. is a Japanese chemical company that develops and manufactures various chemical products, including basic chemicals, functional chemicals, and catalysts. The company focuses on innovation and sustainability in its products and operations. With a commitment to creating value for society and contributing to a sustainable future, Nippon Shokubai continues to be a leading player in the chemical industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

1,332 Patents

#5 in

#163 in Japan

#728 in the World

Nippon Shokubai Co., Ltd.

Forward Citations = 10,357

1,113 inventors:

Kunihiko Ishizaki (102 out of 104 patents)

Yukihiro Matsumoto (54 out of 56 patents)

Kazushi Torii (51 out of 52 patents)

4. Katsuyuki Wada (51 out of 51 patents)

5. Kazuhiko Sakamoto (51 out of 51 patents)

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