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Acoustic lens system
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Patent number 5,481,918
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Issue date Jan 9, 1996
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Olympus Optical Co., Ltd.
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Akira Hasegawa
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Acoustic lens system
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Patent number 5,365,024
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Issue date Nov 15, 1994
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Olympus Optical Co., Ltd.
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Akira Hasegawa
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Acoustic lens system
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Patent number 5,333,503
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Issue date Aug 2, 1994
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Olympus Optical Co., Ltd.
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Akira Hasegawa
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Ferroelectric memory
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Patent number 5,060,191
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Issue date Oct 22, 1991
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Olympus Optical Co., Ltd.
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Tatsuo Nagasaki
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G11 - INFORMATION STORAGE
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Ultrasonic endoscope apparatus
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Patent number 4,880,011
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Issue date Nov 14, 1989
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Olympus Optical Co., Ltd.
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Shinichi Imade
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Ultrasonic endoscope
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Patent number 4,674,515
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Issue date Jun 23, 1987
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Olympus Optical Co., Ltd.
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Outaro Andou
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE