4. Telephonic communications
  5. Having light wave or ultrasonic link for speech or paging...
  6. Including fiber optic link within telephone network

Masayuki Sakamoto

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Electrophotographic photoreceptor and method for producing...

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making radiation-sensitive product
Reexamination Certificate

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Electrophotographic photoreceptor, process for production thereo

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent

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Electrophotographic photoreceptor, process for production...

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making radiation-sensitive product
Reexamination Certificate

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Electrophotographic photosensitive body with hollow base and...

Electrophotography – Image formation – Photoconductive member
Reexamination Certificate

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Film defect inspection method for a film formed on a substrate

Optics: measuring and testing – By light interference
Reexamination Certificate

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Profile ID: LFUS-PAI-P-160730

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