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Kao Corporation

USPTO Granted Patents = 3,603

CIPO Patents = 13

EPO Patents = 1,361

Trademarks = 1

Forward Citations = 27,442

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3,257 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

3,603 patents: Sort by Forward Citations

1. 12508213 - Aqueous oxidizing composition comprising amino acids (2025-12-30),

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

3. 12491487 - Method for producing silica microcapsule (2025-12-09),

4. 12485474 - Structure for manufacturing cast article (2025-12-02),

5. 12485076 - Liquid hair dye composition (2025-12-02),

6. 12484685 - Heating tool and method for manufacturing heating tool (2025-12-02),

7. 12478563 - Patch sheet for skin, method for using same, ultraviolet sensing method, and method for evaluating ultraviolet protection performance (2025-11-25),

8. 12473494 - Liquid-crystal composition (2025-11-18),

9. 12473450 - Ink set (2025-11-18),

10. 12473406 - Emulsification composition containing hydrophobic-modified cellulose fibers (2025-11-18),

11. 12472137 - Aerosol-type hair cleansing agent (2025-11-18),

12. 12454625 - Aqueous ink (2025-10-28),

13. 12453362 - Astringency reducing agent (2025-10-28),

14. 12448571 - Aqueous microcapsule dispersion (2025-10-21),

15. 12448532 - Inkjet inks (2025-10-21),

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 - Dec 30 2025

3,603 Patents

#30 in Tokyo

#63 in Japan

#246 in the World

Kao Corporation

Forward Citations = 27,442

3,257 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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