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Heating unit and image formation apparatus

Electrophotography – Control of electrophotography process – Control of fixing
Reexamination Certificate

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Heating unit, auxiliary power unit, fixing unit, and image...

Electrophotography – Control of electrophotography process – Control of fixing
Reexamination Certificate

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Helically splined drive member for an image forming device

Electrophotography – Image formation – Photoconductive member
Reexamination Certificate

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High accuracy multi-color image forming apparatus and method...

Electrophotography – Image formation – Transfer
Reexamination Certificate

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High and low pigment loadings for custom colors

Electrophotography – Control of electrophotography process – Control of developing
Patent

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High capacity toner carousel type shuttle color printer with...

Electrophotography – Image formation – Development
Reexamination Certificate

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High density foam roll

Electrophotography – Document handling – Copy
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High developing voltage supply apparatus

Electrophotography – Image formation – Development
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High duty cycle sawtooth AC charger

Electrophotography – Machine operation – Having power supply
Patent

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High efficiency heat exchange apparatus and system for use...

Electrophotography – Image formation – Fixing
Reexamination Certificate

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High fatigue resistant metal sheet and fixing belt and...

Electrophotography – Image formation – Fixing
Reexamination Certificate

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High frequency fixing apparatus

Electrophotography – Image formation – Fixing
Reexamination Certificate

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High heat transfer fuser roller

Electrophotography – Image formation – Fixing
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High load low load cleaning blade assembly

Electrophotography – Cleaning of imaging surface – Blade
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High performance materials and processes for manufacture of...

Electrophotography – Image formation – Charging
Reexamination Certificate

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High precision-heating and fusing apparatus

Electrophotography – Control of electrophotography process – Control of fixing
Reexamination Certificate

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High print rate merging and finishing system for parallel...

Electrophotography – Document handling – Copy
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High print rate merging and finishing system for printing

Electrophotography – Document handling – Copy
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High print rate merging and finishing system for printing

Electrophotography – Document handling – Copy
Reexamination Certificate

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High resolution image forming apparatus

Electrophotography – Image formation – Photoconductive member
Reexamination Certificate

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