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Yokohama, Japan

Ohkawara Kakohki Co., Ltd.

USPTO Granted Patents = 15

EPO Patents = 3

Forward Citations = 163

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30 inventors (with patents filed for the assignee):

Masaaki Ohkawara (11 out of 13 patents)

Shizuo Aishima (5 out of 5 patents)

Takashi Ito (5 out of 33 patents)

4. Katsumi Kobayashi (4 out of 63 patents)

5. Shoichi Iwaya (4 out of 17 patents)

6. Hitoshi Masumura (4 out of 18 patents)

7. Hiroki Takahashi (4 out of 68 patents)

8. Takashi Itoh (3 out of 3 patents)

9. Toshiyuki Tanaka (3 out of 87 patents)

10. Masashi Fujii (2 out of 2 patents)

11. Gentaro Nemoto (2 out of 2 patents)

12. Akira Kodera (2 out of 2 patents)

13. Yuki Shitara (1 out of 1 patent)

14. Shinobu Suzuki (1 out of 1 patent)

15. Tomonao Ohkawara (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 11185790 - Particle production apparatus and particle production method (2021-11-30),

2. 10589234 - Wet disperser (2020-03-17),

3. 10294122 - Seawater desalination device and seawater desalination method (2019-05-21),

4. 6042636 - Method and apparatus of treating incinerator exhaust gas (2000-03-28),

5. 5499768 - Spray nozzle unit (1996-03-19),

6. 5294298 - Spray-drying granulation apparatus (1994-03-15),

7. 5272820 - Two-fluid pressure nozzle of upward injection type, spray dryer using (1993-12-28),

8. 5232550 - Vacuum drying method (1993-08-03),

9. 5227017 - Spray drying apparatus equipped with a spray nozzle unit (1993-07-13),

10. 5140756 - Fluidized bed granulator (1992-08-25),

11. 5044093 - Spray-drying granulation apparatus (1991-09-03),

12. 5015332 - Spray dryer (1991-05-14),

13. 4943449 - Microcapsules and process for producing them (1990-07-24),

14. 4896436 - Spray drying process and apparatus therefor (1990-01-30),

15. 4809442 - Spray drying process and apparatus therefor (1989-03-07),

Ohkawara Kakohki Co., Ltd. is a leading manufacturer of industrial equipment and machinery based in Japan. With over 50 years of experience, the company specializes in the production of high-quality precision machines for various industries such as automotive, aerospace, and electronics. Ohkawara Kakohki is committed to innovation and efficiency, providing customers with advanced solutions to meet their specific needs.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

15 Patents

#49 in

#3,366 in

#38,719 in the World

Yokohama, Japan

Ohkawara Kakohki Co., Ltd.

Forward Citations = 163

30 inventors:

Masaaki Ohkawara (11 out of 13 patents)

Shizuo Aishima (5 out of 5 patents)

Takashi Ito (5 out of 33 patents)

4. Katsumi Kobayashi (4 out of 63 patents)

5. Shoichi Iwaya (4 out of 17 patents)

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