Ryuji Tohyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flow rate-measuring device
- Patent number 6,561,021
- Issue date May 13, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Hiroyuki Uramachi
- G01 - MEASURING TESTING
Information Patent Grant
Heat-sensitive type flow sensor
- Patent number 6,205,854
- Issue date Mar 27, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Ryuji Tohyama
- G01 - MEASURING TESTING
Information Patent Grant
Constant voltage circuit comprising temperature dependent elements...
- Patent number 6,181,192
- Issue date Jan 30, 2001
- Mitsubishi Denki Kaibushiki Kaisha
- Ryuji Tohyama
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Flow rate-measuring device
- Publication number 20020043103
- Publication date Apr 18, 2002
- Hiroyuki Uramachi
- G01 - MEASURING TESTING