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Zoom lens system
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Patent number 5,978,152
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Issue date Nov 2, 1999
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Matsushita Electric Industrial Co., Ltd.
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Hiroaki Okayama
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G02 - OPTICS
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Aspherical zoom lens
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Patent number 5,583,698
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Issue date Dec 10, 1996
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Matsushita Electric Industrial Co., Ltd.
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Katsu Yamada
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G02 - OPTICS
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Zoom lens assembly
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Patent number 5,396,367
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Issue date Mar 7, 1995
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Matsushita Electric Industrial Co., Ltd.
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Shusuke Ono
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G02 - OPTICS
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Optical low pass filter
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Patent number 5,375,013
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Issue date Dec 20, 1994
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Matsushita Electric Industrial Co. Ltd.
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Hiroaki Okayama
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G02 - OPTICS
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Zoom lens
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Patent number 5,267,082
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Issue date Nov 30, 1993
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Matsushita Electric Industrial Co., Ltd.
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Shusuke Ono
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G02 - OPTICS
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Zoom lens
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Patent number 5,235,466
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Issue date Aug 10, 1993
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Matsushita Electric Industrial Co., Ltd.
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Shusuke Ono
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G02 - OPTICS
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Zoom lens
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Patent number 5,100,223
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Issue date Mar 31, 1992
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Matsushita Electric Industrial Co., Ltd.
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Shusuke Ono
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G02 - OPTICS
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Zoom lens driving apparatus
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Patent number 4,991,944
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Issue date Feb 12, 1991
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Matsushita Electric Industrial Co., Ltd.
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Yoshiaki Hirao
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G02 - OPTICS
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-
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Projection lens
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Patent number 4,767,199
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Issue date Aug 30, 1988
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Matsushita Electric Industrial Co., Ltd.
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Yoshiharu Yamamoto
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G02 - OPTICS
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Compact projection lens
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Patent number 4,690,515
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Issue date Sep 1, 1987
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Matsushita Electric Industrial Co., Ltd.
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Yasuo Nakajima
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G02 - OPTICS
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-
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Surface acoustic wave resonator
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Patent number 4,223,286
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Issue date Sep 16, 1980
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Matsushita Electric Industrial Co., Ltd.
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Shusuke Ono
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H03 - BASIC ELECTRONIC CIRCUITRY