4. Optical: systems and elements
  5. Compound lens system
  6. Telescope

Atsushi Katsunuma

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Attenuator device, and optical switching device

Optical waveguides – Accessories – Attenuator
Reexamination Certificate

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Catadioptric optical system

Optical: systems and elements – Compound lens system – With curved reflective imaging element
Patent

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Method and apparatus for a binocular optical system

Optical: systems and elements – Compound lens system – Telescope
Patent

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Spectroscope with thermal compensation mechanism

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1077616

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