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Daikin Kogyo Co., Ltd.

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USPTO Granted Patents = 213

Trademarks = 6

Forward Citations = 3,168

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251 inventors (with patents filed for the assignee):

Akira Ohmori (27 out of 42 patents)

Nobuyuki Tomihashi (20 out of 56 patents)

Iwao Hisamoto (18 out of 25 patents)

4. Masayasu Tomoda (16 out of 28 patents)

5. Chiaki Maeda (16 out of 17 patents)

6. Masayoshi Tatemoto (12 out of 29 patents)

7. Naonori Enjo (12 out of 17 patents)

8. Yutaka Ueta (11 out of 30 patents)

9. Tatsushiro Yoshimura (11 out of 18 patents)

10. Nobuo Ishikawa (11 out of 17 patents)

11. Takeshi Suzuki (10 out of 17 patents)

12. Yohnosuke Ohsaka (10 out of 24 patents)

13. Yasuyoshi Furukawa (10 out of 12 patents)

14. Yoshiki Shimizu (8 out of 22 patents)

15. Tsuneo Nakagawa (8 out of 11 patents)

Core Competencies:

Electrodeposition

Fluoropolymer

Optical Materials

Heat Pumps

Coating Composition

Aqueous Composition

Working Fluids

Copolymers

Fluoroacrylic

Gas Separating Membrane

Rotary Compressor

Fire Extinguishing

213 patents: Sort by Forward Citations

1. 4842940 - Electrodeposition coating composition, electrodeposition process and (1989-06-27),

2. 4840675 - Mold release composition (1989-06-20),

3. 4835300 - Fluorine containing urethane compounds (1989-05-30),

4. 4825014 - Process for preparing chlorotrifluoromethylbenzene (1989-04-25),

5. 4770959 - Lithium-fluorinated graphite cell (1988-09-13),

6. 4760102 - Porous polytetrafluoroethylene material (1988-07-26),

7. 4737088 - Rotary compressor with oil relief passage (1988-04-12),

8. 4729849 - Fluorine-containing surface active compositions (1988-03-08),

9. 4720428 - Cladding materials for optical fibers (1988-01-19),

10. 4720166 - Cladding materials for optical fibers (1988-01-19),

11. 4714748 - Novel polytetrafluoroethylene fine powder (1987-12-22),

12. 4690869 - Transparent coating material (1987-09-01),

13. 4686168 - Fluoroalkyl acrylate resist material and process for forming fine resist (1987-08-11),

14. 4684591 - Active materials for batteries (1987-08-04),

15. 4680331 - Aqueous coating composition of fluorocarbon resin (1987-07-14),

Company Overview

Daikin Kogyo Co., Ltd., based in Osaka, Japan, specializes in advanced fluoropolymer technology, focusing on the development and manufacturing of high-performance materials. The company is recognized for its expertise in electrodeposition, optical materials, and various coating compositions, which are essential in diverse applications including heat pumps and working fluids. Daikin Kogyo's innovative approach to copolymers and aqueous compositions positions it as a leader in the field, contributing significantly to advancements in material science and engineering.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

213 Patents

#75 in Osaka

#679 in Japan

#3,999 in the World

Daikin Kogyo Co., Ltd.

Forward Citations = 3,168

251 inventors:

Akira Ohmori (27 out of 42 patents)

Nobuyuki Tomihashi (20 out of 56 patents)

Iwao Hisamoto (18 out of 25 patents)

4. Masayasu Tomoda (16 out of 28 patents)

5. Chiaki Maeda (16 out of 17 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Daikin Kogyo Co., Ltd.. Retrieved from https://idiyas.com/company/daikin-kogyo-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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