4. Optical: systems and elements
  5. Lens
  6. With variable magnification

Katsumi Ohtsuka

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Camera incorporating real-image finder

Photography – Having camera indicator – Having display in viewfinder
Reexamination Certificate

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Drive device, lens barrel, image pickup apparatus, lens...

Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate

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Lens barrel, image-pickup unit having the lens barrel, and...

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2380561

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