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For the Inventor, By the Inventor

Munich, Germany

Deutsche Controls Gmbh


USPTO Granted Patents = 3

Forward Citations = 44

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4 inventors (with patents filed for the assignee):

goldMedal Isao Sendo (2 out of 6 patents)

silverMedal Hisatoshi Hirota (1 out of 62 patents)

bronzeMedal Tokumi Tsuquwa (1 out of 1 patent)

4.  Hiroaki Masuhara (1 out of 1 patent)


3 patents:

1. D415564 - Thermostatic expansion valve for vehicle air conditioning systems (1999-10-19),
2. 5303864 - Expansion valve (1994-04-19),
3. 5127237 - Expansion valve (1992-07-07),
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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#415 in W-8000 Munich

#8,449 in Germany

Munich, DE
Munich, Germany

Deutsche Controls Gmbh

Forward Citations = 44

4 inventors:

goldMedal Isao Sendo (2 out of 6 patents)

silverMedal Hisatoshi Hirota (1 out of 62 patents)

bronzeMedal Tokumi Tsuquwa (1 out of 1 patent)

4.  Hiroaki Masuhara (1 out of 1 patent)

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