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Kao Corporation

USPTO Granted Patents = 3,608

CIPO Patents = 13

EPO Patents = 1,361

Trademarks = 1

Forward Citations = 27,458

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3,258 inventors (with patents filed for the assignee):

Kuniyasu Kawabe (43 out of 44 patents)

Yasuhiro Doi (40 out of 42 patents)

Eiji Shirai (38 out of 38 patents)

4. Yoshiaki Fujikura (35 out of 50 patents)

5. Hiroyuki Yamashita (34 out of 54 patents)

6. Nobuhiro Tanaka (33 out of 34 patents)

7. Yuichi Hioki (31 out of 36 patents)

8. Nobumichi Kamiyoshi (30 out of 30 patents)

9. Yukihiro Ohashi (30 out of 30 patents)

10. Akira Kawamata (30 out of 30 patents)

11. Takashi Kubo (29 out of 29 patents)

12. Yoshiaki Kumamoto (29 out of 29 patents)

13. Yoshikazu Ogura (29 out of 29 patents)

14. Hajime Miyabe (29 out of 30 patents)

15. Minoru Nakanishi (29 out of 29 patents)

Core Competencies:

Liquid Hair Dye Composition

Aerosol-Type Hair Cleansing Agent

Emulsification Composition

Aqueous Ink

Detergent Composition

Cosmetic Product

Dyeing Method

Rheology Modifying Agent

Ultraviolet Sensing Method

Fine Metal Particle Dispersion

Softening Agent

Electrospinning Apparatus

3,608 patents: Sort by Forward Citations

1. 12529010 - Compound, precursor compound thereof, surfactant composition, and detergent composition (2026-01-20),

2. 12522740 - Aqueous pigment dispersion (2026-01-13),

3. 12521326 - Aerosol composition (2026-01-13),

4. 12521325 - Fragrance composition, scent dispenser and method for reducing malodor (2026-01-13),

5. 12515848 - Sheet material container (2026-01-06),

6. 12508213 - Aqueous oxidizing composition comprising amino acids (2025-12-30),

7. D1106331 - Color card (2025-12-16),

8. 12491487 - Method for producing silica microcapsule (2025-12-09),

9. 12485474 - Structure for manufacturing cast article (2025-12-02),

10. 12485076 - Liquid hair dye composition (2025-12-02),

11. 12484685 - Heating tool and method for manufacturing heating tool (2025-12-02),

12. 12478563 - Patch sheet for skin, method for using same, ultraviolet sensing method, and method for evaluating ultraviolet protection performance (2025-11-25),

13. 12473494 - Liquid-crystal composition (2025-11-18),

14. 12473450 - Ink set (2025-11-18),

15. 12473406 - Emulsification composition containing hydrophobic-modified cellulose fibers (2025-11-18),

Kao Corporation is a Japanese chemical and cosmetic company. The company operates through four business segments: Beauty Care, Human Health Care, Fabric and Home Care, and Chemical. It provides a wide range of products including skincare, haircare, personal care, healthcare, and cleaning products. Kao Corporation focuses on innovation, sustainability, and improving the well-being of people globally.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 20 2026

3,608 Patents

#30 in Tokyo

#63 in Japan

#245 in the World

Kao Corporation

Forward Citations = 27,458

3,258 inventors:

Kuniyasu Kawabe (43 out of 44 patents)

Yasuhiro Doi (40 out of 42 patents)

Eiji Shirai (38 out of 38 patents)

4. Yoshiaki Fujikura (35 out of 50 patents)

5. Hiroyuki Yamashita (34 out of 54 patents)

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