Inventor

SAEKI MASAHITO

JP44 patents

⚠️ This page may combine multiple inventors who share the name “SAEKI MASAHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAEKI MASAHITO

BROTHER IND LTD

Image forming apparatus operable with a cartridge having a memory and a terminal

Drum cartridge in which first storage medium of toner cartridge and second storage medium of drum cartridge are aligned in mounting direction, and image forming apparatus to which drum cartridge is mountable

Image forming apparatus including multiple photosensitive drums and multiple developing rollers

Sheet feeding device and image forming apparatus employing the same

Sheet supply device and image forming system

Image forming apparatus

Image forming apparatus and method for ensuring adequate torque of development motor and suppressing reduction in printing speed in low-temperature environment

Image forming apparatus with developing cartridges having increased toner capacities and reducible of contact duration between developing rollers and photosensitive drums

Image forming apparatus

Image forming apparatus

Drum cartridge in which first storage medium of toner cartridge and second storage medium of drum cartridge are aligned in mounting direction, and image forming apparatus to which drum cartridge is mountable

Image forming apparatus

Image forming apparatus with plural moving mechanisms for developing rollers

Image forming apparatus including common drive source for driving developing roller and cam that moves developing roller toward and away from photosensitive drum

Drum cartridge in which first storage medium of toner cartridge and second storage medium of drum cartridge are aligned in mounting direction, and image forming apparatus to which drum cartridge is mountable

Image forming apparatus having cartridge and exposure device

Image forming apparatus including common drive source for driving developing roller and cam that moves developing roller toward and away from photosensitive drum

Image forming apparatus

Image forming apparatus with roller-drivable mechanism, roller-movable mechanism, and nipping-force adjustable mechanism

Image forming apparatus including cam having compact structure capable of detection of contact state and separated state of developing roller relative to photosensitive drum

Image forming apparatus configured to stop conveyance of sheet for prescribed time period before conveying sheet to photosensitive drum when sheet is fed from first tray

Image forming apparatus moving developing rollers toward and away from corresponding photosensitive drums based on sheet interval between two sheets

Image forming apparatus having moving mechanisms to move developing rollers to be in contact with and separated from photosensitive drums

Image forming apparatus including first and second cams whose rotation angles are offset, and first and second rods that move, by rotations of first and second cams, first and second developing rollers toward and away from first and second photosensitive drums, respectively

Image-forming apparatus capable of moving developing roller between contact position in contact with photosensitive drum and separated position away therefrom

Image-forming apparatus with reduced number of motors for moving developing rollers and altering rotation speed ratio of developing rollers to photosensitive drums

Image forming apparatus with rotation-controllable photosensitive drum and movable developing roller

Image-forming apparatus including cam and cam follower for moving developing roller toward and away from photosensitive drum

Image-forming apparatus capable of controlling separation/contact timing between developing rollers and photosensitive drums in timed relation to sheet conveyance

Image forming apparatus

Drum cartridge in which first storage medium of toner catridge and second storage medium of drum catridge are aligned in mounting direction, and image forming apparatus to which drum catridge is mountable

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus having circuit board

Image forming apparatus using pressing plate and computer-readable medium storing instructions to control movement of pressing plate

Image forming apparatus performing a delay process when a number of sheets printed in a unit of time is equal to or greater than a reference number

Image forming apparatus

Image forming apparatus with a light shielding part serving as a guide for a detachable cartridge

Image forming apparatus

SAEKI MASAHITO

Image forming apparatus including movable guide unit

Printing apparatus

Printing apparatus

Image forming apparatus