4. Optics: measuring and testing
  5. Refraction testing
  6. Prism engaging specimen

Toshiyuki Kasai

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Automatic polarization analyzing device

Optics: measuring and testing – Refraction testing – Prism engaging specimen
Patent

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Current generating circuit, electro-optical apparatus, and...

Computer graphics processing and selective visual display system – Display driving control circuitry
Reexamination Certificate

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Current generating circuit, electro-optical device, and...

Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Reexamination Certificate

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Current generating circuit, semiconductor integrated...

Computer graphics processing and selective visual display system – Plural physical display element control system – Segmented display elements
Reexamination Certificate

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Current generation circuit, method of driving current...

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate

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Profile ID: LFUS-PAI-P-341296

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