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Optical communication system
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Patent number 7,062,170
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Issue date Jun 13, 2006
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Sony Corporation
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Yoichi Toriumi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Optical apparatus
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Patent number 6,522,487
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Issue date Feb 18, 2003
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Sony Corporation
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Akihiko Memezawa
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G02 - OPTICS
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Optical apparatus
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Patent number 6,433,942
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Issue date Aug 13, 2002
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Sony Corporation
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Akihiko Memezawa
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G02 - OPTICS
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Optical disc apparatus
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Patent number 6,349,082
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Issue date Feb 19, 2002
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Sony Corporation
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Kazuyoshi Horie
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G11 - INFORMATION STORAGE
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Tone arm assembly
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Patent number 4,241,926
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Issue date Dec 30, 1980
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Sony Corporation
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Satoshi Kusaka
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G11 - INFORMATION STORAGE
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Tone arm assembly
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Patent number 4,214,757
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Issue date Jul 29, 1980
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Sony Corporation
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Satoshi Kusaka
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G11 - INFORMATION STORAGE
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Tone arm assembly
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Patent number 4,184,688
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Issue date Jan 22, 1980
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Sony Corporation
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Yoshimoto Omura
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G11 - INFORMATION STORAGE