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Office machine including a blower having a blower noise...

Electrophotography – Internal machine environment – Forced air circulation
Reexamination Certificate

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Operating screw with spiral projection having cylindrical...

Electrophotography – Internal machine environment – Particle or contaminant control
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Optical monitor for imaging device filter

Electrophotography – Internal machine environment – Forced air circulation
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Optical writing unit and image forming apparatus having an...

Electrophotography – Internal machine environment – Particle or contaminant control
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Oxidation catalyst device and wet-type electro-photographic...

Electrophotography – Internal machine environment – Forced air circulation
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Oxidation catalyst unit and a wet-type electrophotographic...

Electrophotography – Internal machine environment – Forced air circulation
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Oxidation catalyst unit, a controlling method thereof, and a...

Electrophotography – Internal machine environment – Forced air circulation
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Oxidation catalyst unit, wet-type electrophotographic image...

Electrophotography – Internal machine environment – Forced air circulation
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Oxidation of volatile organic compounds in electrographic...

Electrophotography – Internal machine environment – Forced air circulation
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Oxygen generators in ink cartridge environment

Electrophotography – Internal machine environment – Forced air circulation
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Ozone catalytic converter unit of optimal design

Electrophotography – Internal machine environment – Forced air circulation
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Ozone removal device, image forming apparatus having the...

Electrophotography – Internal machine environment – Forced air circulation
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