4. Glass manufacturing
  5. Processes of manufacturing fibers, filaments, or preforms
  6. Process of manufacturing optical fibers, waveguides, or...

Masaaki Aoyama

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Automatic focusing device in microscope system

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent

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Comparison type dimension measuring method and apparatus using a

Optics: measuring and testing – By configuration comparison – With object being compared and light beam moved relative to...
Patent

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Device for positioning circular semiconductor wafers

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent

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Dry etching with reduced damage to MOS device

Semiconductor device manufacturing: process – Chemical etching – Vapor phase etching
Reexamination Certificate

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Dry etching with reduced damage to MOS device

Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate
Reexamination Certificate

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Profile ID: LFUS-PAI-P-50653

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