4. Optical: systems and elements
  5. Lens
  6. With graded refractive index

Kenjiro Hamanaka

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Coherent optical apparatus

Patent

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Erecting life-size resin lens array and method of...

Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate

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Focus error detection device for an optical recording/playing ba

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
Patent

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Focus error detection device for an optical recording/playing ba

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
Patent

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Illuminating apparatus

Illumination – Light source and modifier – Including reflector
Patent

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Profile ID: LFUS-PAI-P-96998

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