4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Element or attachment

Masakazu Ishizuka

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Disk drive with established resonance frequencies for damper...

Dynamic optical information storage or retrieval – Particular cabinet structure for optical media – Environmental control
Reexamination Certificate

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Disk loading apparatus with cartridge urging member...

Dynamic optical information storage or retrieval – Dynamic mechanism optical subsystem – Chassis base supporting transducer carriage
Reexamination Certificate

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Tray for optical disk recorder

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Design Patent

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Profile ID: LFUS-PAI-P-2679432

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