4. Optical: systems and elements
  5. Lens
  6. With lens casing

Tomotada Kamei

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Converging element, optical head, and apparatus and method...

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate

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Converging element, optical head, and apparatus and method...

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate

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Converging element, optical head, and apparatus and method...

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate

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Laser drive device, optical head, and optical information...

Coherent light generators – Particular component circuitry – For driving or controlling laser
Reexamination Certificate

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Mounting structure of objective lens for optical pick-up used fo

Optical: systems and elements – Lens – With lens casing
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Profile ID: LFUS-PAI-P-1729219

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