Keiichi Watanabe

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Ichikawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic wave nebulizer driving circuit
- Patent number 4,318,062
- Issue date Mar 2, 1982
- TDK Electronics Co., Ltd.
- Sadao Mitsui
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Device for indicating an abnormal condition in an ultrasonic nebulizer
- Patent number 4,300,131
- Issue date Nov 10, 1981
- TDK Electronics Co, Ltd.
- Sadao Mitsui
- G08 - SIGNALLING