Image forming apparatus and image forming method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6836641
APP PUB NO 20040037601A1
SERIAL NO

10367750

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is provided an image forming apparatus that can suppress the formation of creases when forming images on both surfaces of a sheet and can greatly reduce the incidence of unprinted areas. The image forming apparatus has a sheet stacking section in which sheets are stacked, a sheet conveying section that conveys a sheet, an image forming section that forms an image on the sheet while the sheet is conveyed, a re-conveying section that again conveys the sheet with the image formed on a first surface thereof to the image forming section, and a sheet feeding section that feeds a sheet from the sheet stacking section or the re-conveying section to the image forming section. When a sheet is fed from the sheet stacking section for image formation on the first surface of the sheet by the image forming section, the sheet is fed at a first speed, and when a sheet is fed from the re-conveying section for image formation on a second surface of the sheet by the image forming section, the sheet is fed at a second speed that is slower than the first speed and is slower than the speed at which the sheet is conveyed by the sheet conveying section.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHATOKYO 146-8501

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Saito, Yoshiro Shizuoka, JP 41 421
Takashima, Kazunori Shizuoka, JP 12 217
Tsuchiya, Yoshiro Shizuoka, JP 20 669
Uchida, Michio Shizuoka, JP 46 448

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