4. Photocopying
  5. Contact printing
  6. Light boxes

Keishi Ohsawa

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Cleaning device

Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent

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Developing sleeve having an outer ceramic layer developing devic

Photocopying – Contact printing – Light boxes
Patent

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Image forming apparatus in which carrying force for a mixing ton

Electrophotography – Image formation – Development
Patent

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Multi-color image forming apparatus capable of preventing contam

Electrophotography – Control of electrophotography process – Control of charging
Patent

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Powder conveying device

Photocopying – Contact printing – Light boxes
Patent

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Profile ID: LFUS-PAI-P-139890

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