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Pyroelectric IR sensor
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Patent number 6,069,359
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Issue date May 30, 2000
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Matsushita Electric Industrial Co., Ltd.
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Katsumi Imada
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G01 - MEASURING TESTING
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Ultrasonic motor
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Patent number 5,854,528
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Issue date Dec 29, 1998
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Matsushita Electric Industrial Co., Ltd.
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Takahiro Nishikura
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Pyroelectric IR sensor
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Patent number 5,739,532
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Issue date Apr 14, 1998
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Matsushita Electric Industrial Co., Ltd.
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Katsumi Imada
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G01 - MEASURING TESTING
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Method for driving an ultrasonic motor
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Patent number 5,644,199
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Issue date Jul 1, 1997
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Matsushita Electric Industrial Co., Ltd.
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Takashi Nojima
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Ultrasonic motor
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Patent number 5,457,351
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Issue date Oct 10, 1995
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Matsushita Electric Industrial Co., Ltd.
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Takahiro Nishikura
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Piezoelectric head actuator
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Patent number 5,408,376
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Issue date Apr 18, 1995
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Matsushita Electric Industrial Co., Ltd.
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Takahiro Nishikura
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G11 - INFORMATION STORAGE
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Ultrasonic motor
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Patent number 5,408,156
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Issue date Apr 18, 1995
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Matsushita Electric Industrial Co., Ltd.
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Osamu Kawasaki
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Linear-type actuator
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Patent number 5,300,851
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Issue date Apr 5, 1994
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Matsushita Electric Industrial Co., Ltd.
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Takahiro Nishikura
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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