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Takao Yoneyama
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Hitachi, JP
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last 30 patents
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Patent Grant
Bonded type piezoelectric apparatus, method for manufacturing the s...
Patent number
5,325,012
Issue date
Jun 28, 1994
Hitachi, Ltd.
Ichiya Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rotating machinery diagnosis system with acoustic emission technique
Patent number
4,669,315
Issue date
Jun 2, 1987
Hitachi, Ltd.
Ichiya Sato
G01 - MEASURING TESTING
Information
Patent Grant
Tablet type coordinate input apparatus using elastic wave
Patent number
4,665,282
Issue date
May 12, 1987
Hitachi, Ltd.
Ichiya Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for detecting metal wipe damages of plane bearing
Patent number
4,481,819
Issue date
Nov 13, 1984
Hitachi, Ltd.
Takao Yoneyama
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for detecting rubbing in a rotary machine
Patent number
4,478,082
Issue date
Oct 23, 1984
Hitachi, Ltd.
Ichiya Sato
G01 - MEASURING TESTING