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Daikin Industries, Ltd.

USPTO Granted Patents = 4,273

CIPO Patents = 152

EPO Patents = 2,513

Trademarks = 81

Forward Citations = 23,068

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4,575 inventors (with patents filed for the assignee):

Tetsuo Shimizu (84 out of 103 patents)

Hirokazu Aoyama (68 out of 71 patents)

Kazuhiro Takahashi (66 out of 79 patents)

4. Takayuki Araki (66 out of 67 patents)

5. Takashi Shibanuma (65 out of 67 patents)

6. Takahiro Kitahara (59 out of 68 patents)

7. Tsuyoshi Noguchi (58 out of 59 patents)

8. Ikuo Yamamoto (57 out of 57 patents)

9. Mitsushi Itano (56 out of 57 patents)

10. Kentarou Niki (56 out of 56 patents)

11. Yosuke Kishikawa (55 out of 55 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

4,273 patents: Sort by Forward Citations

1. 12492945 - Temperature distribution learning apparatus (2025-12-09),

2. 12492699 - Compressor and air conditioner (2025-12-09),

3. 12492271 - Method for producing fluoropolymer (2025-12-09),

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

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

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

7. 12487021 - Temperature adjustment apparatus and storage (2025-12-02),

8. 12486393 - Composition for fluorine rubber crosslinking and molded article (2025-12-02),

9. 12486378 - Shaping powder (2025-12-02),

10. 12480722 - Heat exchanger (2025-11-25),

11. 12480692 - Refrigeration cycle system, heat source unit, and refrigeration cycle apparatus (2025-11-25),

12. 12480680 - Outside air treatment device and air conditioning system (2025-11-25),

13. 12480677 - Generating device, system, and program (2025-11-25),

14. 12480605 - Tube, method for producing tube, and method for storing tube (2025-11-25),

15. 12480547 - Thrust magnetic bearing with cooling structure (2025-11-25),

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 9 2025

4,273 Patents

#9 in Osaka

#56 in Japan

#211 in the World

Daikin Industries, Ltd.

Forward Citations = 23,068

4,575 inventors:

Tetsuo Shimizu (84 out of 103 patents)

Hirokazu Aoyama (68 out of 71 patents)

Kazuhiro Takahashi (66 out of 79 patents)

4. Takayuki Araki (66 out of 67 patents)

5. Takashi Shibanuma (65 out of 67 patents)

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