Koji Kawai

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Infrared ray sensor
- Patent number D723958
- Issue date Mar 10, 2015
- Atsumi Electric Co., Ltd.
- Koji Kawai
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Rotatable infrared sensor
- Patent number D605963
- Issue date Dec 15, 2009
- Atsumi Electric Co., Ltd.
- Koji Kawai
- D10 - Measuring, testing, or signalling instruments