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Daikin Industries, Ltd.

USPTO Granted Patents = 4,281

CIPO Patents = 21

EPO Patents = 2,543

Trademarks = 63

Forward Citations = 23,216

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3,031 inventors (with patents filed for the assignee):

Tetsuo Shimizu (84 out of 103 patents)

Hirokazu Aoyama (68 out of 71 patents)

Kazuhiro Takahashi (67 out of 80 patents)

4. Takayuki Araki (66 out of 67 patents)

5. Takashi Shibanuma (65 out of 67 patents)

6. Takahiro Kitahara (60 out of 69 patents)

7. Tsuyoshi Noguchi (58 out of 59 patents)

8. Mitsushi Itano (57 out of 57 patents)

9. Ikuo Yamamoto (57 out of 57 patents)

10. Yosuke Kishikawa (56 out of 56 patents)

11. Kentarou Niki (56 out of 56 patents)

12. Meiten Koh (55 out of 55 patents)

13. Akiyoshi Yamauchi (55 out of 55 patents)

14. Nobuhiko Tsuda (52 out of 53 patents)

15. Eiji Kumakura (50 out of 50 patents)

Core Competencies:

Air Conditioning

Refrigeration Cycle

Heat Exchanger

Turbo-Type Fluid Machine

Screw Compressor

Thrust Magnetic Bearing

Fluorine Rubber

Heat Pump Device

Electric Motor

Solid-State Battery

Injection-Molded Body

Air Filter Medium

4,281 patents: Sort by Forward Citations

1. 12512512 - Polymer electrolyte including amorphous fluorine-containing elastomer and alkali metal salt, electrochemical device, polymer-based solid-state battery, and actuator including the same (2025-12-30),

2. 12509409 - Azeotrope or azeotropic composition containing pentafluoropropane and water, and method for producing pentafluoropropane (2025-12-30),

3. 12506154 - Composition, binder, electrode mixture, electrode, and secondary battery (2025-12-23),

4. 12503560 - Method for producing fluoropolymer powder (2025-12-23),

5. 12503551 - Fluorine-containing isocyanul compound (2025-12-23),

6. 12503527 - Method for producing fluoropolymer, method for producing polytetrafluoroethylene, method for producing perfluoroelastomer, and composition (2025-12-23),

7. 12492945 - Temperature distribution learning apparatus (2025-12-09),

8. 12492699 - Compressor and air conditioner (2025-12-09),

9. 12492271 - Method for producing fluoropolymer (2025-12-09),

10. D1104236 - Air conditioner (2025-12-02),

11. D1104235 - Air conditioner (2025-12-02),

12. D1104234 - Air conditioner (2025-12-02),

13. 12487021 - Temperature adjustment apparatus and storage (2025-12-02),

14. 12486393 - Composition for fluorine rubber crosslinking and molded article (2025-12-02),

15. 12486378 - Shaping powder (2025-12-02),

Daikin Industries, Ltd. is a Japanese multinational air conditioning manufacturing company headquartered in Osaka. It is one of the world's largest manufacturers of air conditioning equipment. Daikin offers a wide range of residential, commercial, and industrial air conditioning systems, as well as refrigeration products. With a commitment to innovation and sustainability, Daikin continues to improve and develop advanced technologies for energy-efficient and environmentally friendly solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

4,281 Patents

#9 in Osaka

#56 in Japan

#211 in the World

Daikin Industries, Ltd.

Forward Citations = 23,216

3,031 inventors:

Tetsuo Shimizu (84 out of 103 patents)

Hirokazu Aoyama (68 out of 71 patents)

Kazuhiro Takahashi (67 out of 80 patents)

4. Takayuki Araki (66 out of 67 patents)

5. Takashi Shibanuma (65 out of 67 patents)

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