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Tomoe Engineering Co., Ltd.

USPTO Granted Patents = 20

CIPO Patents = 4

EPO Patents = 12

Trademarks = 2

Forward Citations = 56

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49 inventors (with patents filed for the assignee):

Masaru Nagasu (3 out of 3 patents)

Kenji Morita (3 out of 129 patents)

Tatsuo Hiramatsu (3 out of 3 patents)

4. Koji Fujimoto (2 out of 8 patents)

5. Jun Ohashi (2 out of 9 patents)

6. Atsushi Onodera (2 out of 14 patents)

7. Takao Yoshida (2 out of 12 patents)

8. Saihei Yano (2 out of 2 patents)

9. Katsuya Ando (1 out of 1 patent)

10. Masahiro Ide (1 out of 5 patents)

11. Mamoru Hasegawa (1 out of 18 patents)

12. Nobukazu Hosokai (1 out of 4 patents)

13. Yoshihiro Teruya (1 out of 3 patents)

14. Tetsuya Tsugawa (1 out of 1 patent)

15. Kokichi Dohi (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 12121913 - Centrifuge having removable wear-resistant sleeve installed at a solids discharge port of a bowl (2024-10-22),

2. 11707749 - Centrifuge including rotatable bowl and conical separation discs arranged in the bowl (2023-07-25),

3. 11413630 - Centrifugal apparatus having a bowl with extension lugs and wear-resistant sleeves (2022-08-16),

4. D895699 - Rotor cover for disc type centrifugal separator (2020-09-08),

5. 10525484 - Decanter centrifuge having a dilution solvent supply unit and method for operating a decanter centrifuge (2020-01-07),

6. 10201788 - Polymer flocculant mixing and dissolving system configured to control pressure on discharge side of regenerative mixer and method thereof (2019-02-12),

7. 9463474 - Centrifugal separator equipped with separated liquid jetting device including jet nozzle and release port (2016-10-11),

8. 9238233 - Centrifugal separator with shaft sealing mechanism for a centrifugal separation bowl rotatable within a casing (2016-01-19),

9. 9212076 - Sludge processing system and storage medium storing a program for controlling operation of a sludge processing system based on moisture content of concentrated sludge (2015-12-15),

10. 9206064 - Sludge processing system and storage medium storing a program for controlling operation of a sludge processing system based on correlation between moisture content of concentrated sludge, centrifugal force, and concentrated sludge convey torque (2015-12-08),

11. 9089853 - Vertical centrifugal separation apparatus supportable in multiple overturn positions (2015-07-28),

12. 9005097 - Vertical centrifugal separator (2015-04-14),

13. 8652021 - Decanter-type centrifugal separator equipped with continuous lubricant supply device including an oil collector configured to revolve in a predetermined direction causing the lubricant to flow into the lubricant supply path (2014-02-18),

14. 8529425 - Horizontal centrifugal separator in which the hermeticity of a casing is improved by using a sealing element having a simple structure (2013-09-10),

15. 7670276 - Decanter type centrifugal separator with torque transmission mechanism (2010-03-02),

Tomoe Engineering Co., Ltd. is a leading engineering company specializing in various fields, including industrial valves, water treatment systems, and environmental preservation solutions. With a commitment to innovative technology and exceptional quality, Tomoe Engineering strives to provide reliable and sustainable solutions to meet the needs of their clients worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

20 Patents

#1,170 in Tokyo

#2,882 in Japan

#30,316 in the World

Tomoe Engineering Co., Ltd.

Forward Citations = 56

49 inventors:

Masaru Nagasu (3 out of 3 patents)

Kenji Morita (3 out of 129 patents)

Tatsuo Hiramatsu (3 out of 3 patents)

4. Koji Fujimoto (2 out of 8 patents)

5. Jun Ohashi (2 out of 9 patents)

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