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Takahisa Yamashiro
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Utsunomiya-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Ultrasonic cleaning apparatus and ultrasonic cleaning method
Patent number
6,630,768
Issue date
Oct 7, 2003
Kao Corporation
Takahisa Yamashiro
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Ultrasonic cleaning apparatus
Patent number
6,493,289
Issue date
Dec 10, 2002
Kao Corporation
Noriyuki Kitaori
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
Ultrasonic cleaning apparatus and ultrasonic cleaning method
Publication number
20020036444
Publication date
Mar 28, 2002
Takahisa Yamashiro
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Application
Ultrasonic cleaning apparatus
Publication number
20010037537
Publication date
Nov 8, 2001
Noriyuki Kitaori
G10 - MUSICAL INSTRUMENTS ACOUSTICS