Hajime Shibata

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic oscillating device and ultrasonic washing apparatus usin...
- Patent number 5,203,362
- Issue date Apr 20, 1993
- Kaijo Denki Co., Ltd.
- Hajime Shibata
- B08 - CLEANING
Information Patent Grant
Ultrasonic oscillating device and ultrasonic washing apparatus usin...
- Patent number 5,119,840
- Issue date Jun 9, 1992
- Kaijo Kenki Co., Ltd.
- Hajime Shibata
- B08 - CLEANING