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Tamikazu Yamaguchi
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Sakai, JP
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last 30 patents
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Patent Grant
High speed objective lens system with an aspheric surface
Patent number
4,514,052
Issue date
Apr 30, 1985
Minolta Camera Kabushiki Kaisha
Tamikazu Yamaguchi
G02 - OPTICS
Information
Patent Grant
Relatively wide angle telephoto type lens system
Patent number
4,429,958
Issue date
Feb 7, 1984
Minolta Camera Kabushiki Kaisha
Tamikazu Yamaguchi
G02 - OPTICS
Information
Patent Grant
Tesser type objective lens system having a rear aperture stop
Patent number
4,281,908
Issue date
Aug 4, 1981
Minolta Camera Kabushiki Kaisha
Tamikazu Yamaguchi
G02 - OPTICS
Information
Patent Grant
High speed telephoto lens system
Patent number
4,214,816
Issue date
Jul 29, 1980
Minolta Camera Kabushiki Kaisha
Tamikazu Yamaguchi
G02 - OPTICS
Information
Patent Grant
Modified gauss type lens system
Patent number
4,182,550
Issue date
Jan 8, 1980
Minolta Camera Kabushiki Kaisha
Tamikazu Yamaguchi
G02 - OPTICS
Information
Patent Grant
Gauss type lens system
Patent number
4,101,203
Issue date
Jul 18, 1978
Minolta Camera Kabushiki Kaisha
Tamikazu Yamaguchi
G02 - OPTICS