Keiichi Yamada

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Toyoake, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heater unit having increased dielectric strength
- Patent number 5,831,251
- Issue date Nov 3, 1998
- Denso Corporation
- Yasuhiro Oya
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Positive TCR thermistor device having surface roughness and filling...
- Patent number 5,729,189
- Issue date Mar 17, 1998
- Nippondenso Co., Ltd.
- Yasuhiro Oya
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Positive-temperature-coefficient thermistor heating device and proc...
- Patent number 5,354,969
- Issue date Oct 11, 1994
- Nippondenso Co., Ltd.
- Yosinori Akiyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR