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Mitsubishi Kakoki Kaisha Ltd.

USPTO Granted Patents = 11

EPO Patents = 1

Trademarks = 4

Forward Citations = 98

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34 inventors (with patents filed for the assignee):

Kenichi Nagatsuka (2 out of 2 patents)

Yoshio Kobayashi (1 out of 5 patents)

Kazuki Omori (1 out of 2 patents)

4. Shigeru Yamano (1 out of 1 patent)

5. Nobuyuki Maebashi (1 out of 2 patents)

6. Shigemi Suzuki (1 out of 2 patents)

7. Hiashi Nogaki (1 out of 1 patent)

8. Akio Tamaki (1 out of 1 patent)

9. Akiteru Noguchi (1 out of 1 patent)

10. Sueo Machi (1 out of 20 patents)

11. Hisashi Kakuta (1 out of 2 patents)

12. Kenichi Shimizu (1 out of 2 patents)

13. Ryuichi Hirota (1 out of 1 patent)

14. Shigetado Motoba (1 out of 1 patent)

15. Mitsuaki Narita (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 12441639 - Neutralization processing system for ammonia-containing waste fluid and neutralization processing method for ammonia-containing waste fluid (2025-10-14),

2. 11975277 - Filtration device, and filtration system (2024-05-07),

3. 5338285 - Rotary discharged type centrifugal separator having a pantograph (1994-08-16),

4. 5166376 - Process for refining vegetable oil (1992-11-24),

5. 4664212 - Vacuum wall crawler (1987-05-12),

6. 4437202 - Automatic wall cleaning machine (1984-03-20),

7. 4267155 - Process for cleaning flue gas (1981-05-12),

8. 4143806 - Centrifugal separator (1979-03-13),

9. 4069969 - Automatic three stage centrifugal sludge separator (1978-01-24),

10. 3944650 - Process for removing oxides of sulfur, dust and mist from combustion (1976-03-16),

11. 3933731 - Plastic composition liberating reduced amounts of toxic gas (1976-01-20),

Mitsubishi Kakoki Kaisha Ltd. is a Japanese engineering company that specializes in the design and manufacture of industrial equipment such as filtration systems, heat exchangers, and membrane separation systems. With a history dating back over a century, the company has a strong reputation for delivering high-quality and efficient solutions to industries around the world.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

11 Patents

#1,591 in Tokyo

#4,039 in Japan

#50,159 in the World

Mitsubishi Kakoki Kaisha Ltd.

Forward Citations = 98

34 inventors:

Kenichi Nagatsuka (2 out of 2 patents)

Yoshio Kobayashi (1 out of 5 patents)

Kazuki Omori (1 out of 2 patents)

4. Shigeru Yamano (1 out of 1 patent)

5. Nobuyuki Maebashi (1 out of 2 patents)

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