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last 30 patents
Information
Patent Grant
Zoom lens apparatus
Patent number
5,905,598
Issue date
May 18, 1999
Sony Corporation
Keiichiro Shimada
G02 - OPTICS
Information
Patent Grant
Camera lens barrel having both pulse drive control and microstep dr...
Patent number
5,519,465
Issue date
May 21, 1996
Sony Corporation
Hiroshi Kawamura
G02 - OPTICS
Information
Patent Grant
Position detecting apparatus using magneto-resistance effect element
Patent number
5,430,375
Issue date
Jul 4, 1995
Sony Corporation
Norikatsu Inoue
G02 - OPTICS
Information
Patent Grant
Lens barrel having reference shafts movably supporting lenses
Patent number
5,272,567
Issue date
Dec 21, 1993
Sony Corporation
Norikatsu Inoue
G02 - OPTICS
Information
Patent Grant
Zoom lens apparatus
Patent number
5,241,422
Issue date
Aug 31, 1993
Sony Corporation
Keiichiro Shimada
G02 - OPTICS
Information
Patent Grant
Velocity sensor
Patent number
5,241,425
Issue date
Aug 31, 1993
Sony Corporation
Satoshi Sakamoto
G02 - OPTICS
Information
Patent Grant
Lens barrel apparatus for automatic focusing
Patent number
5,220,461
Issue date
Jun 15, 1993
Sony Corporation
Norikatsu Inoue
G02 - OPTICS