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Inventor:
Ito; Junichi
Address:
Tokyo, JP
No. of patents:
22
Patents:












Patent Number Title Of Patent Date Issued
D462379 Image drum cartridge September 3, 2002
D451539 Toner cartridge December 4, 2001
D450752 Toner cartridge November 20, 2001
D450344 Image drum cartridge November 13, 2001
8131183 Developer collection container, developer cartridge, developing unit and image forming apparatus March 6, 2012
A developer collection container includes a developer storing portion having first and second end portions in a longitudinal direction thereof. A developer supply opening is provided on the first end portion through which the developer is supplied into the developer storing portion. A
7890003 Image forming apparatus February 15, 2011
An image forming apparatus includes an image forming unit having an image carrier, a developing agent container for holding a developing agent, and a developing agent supplier for supplying the developing agent from the developing agent container to the image carrier. A controller determ
7813681 Contact pressure setting apparatus for an image forming apparatus October 12, 2010
A contact pressure setting method of setting a contact pressure between contact members of an image forming apparatus. A film member is inserted into a gap between the contact members and the contact pressure is set so that a pulling force to pull out the film member lies within a pr
7406276 Contact pressure setting method and image forming apparatus July 29, 2008
A contact pressure setting method of setting a contact pressure between contact members of an image forming apparatus. A film member is inserted into a gap between the contact members and the contact pressure is set so that a pulling force to pull out the film member lies within a pr
7272346 Toner holding apparatus, developing apparatus, and image forming apparatus September 18, 2007
A toner cartridge includes a first chamber and a second chamber divided by a partition wall. A toner moving member has a screw member that rotates to cause the toner in the first chamber to move. An agitating member includes an agitator bar that agitates the toner in the second chamber.
7187876 Image forming apparatus with mechanism to control toner replenishment March 6, 2007
An image-forming apparatus includes a mechanism that controls the replenishment amount of toner to a predetermined value. A toner cartridge holds toner therein. The toner cartridge is detachably attached to a process cartridge. The process cartridge has a toner reservoir that holds t
7167671 Toner draining mechanism, collected toner container, and image forming apparatus January 23, 2007
A toner draining mechanism has a hollow member and a conveying member which is arranged in the hollow member and conveys toner. A toner draining port for draining the conveyed toner is formed in the hollow member. The toner draining port is formed above a bottom surface of the hollow
6904249 Toner cartridge and image forming apparatus using the same June 7, 2005
A toner cartridge has a first chamber that holds fresh, toner and a waste toner chamber that holds waste toner. The toner cartridge includes a partition that divides an inner space of the toner cartridge into the fresh toner chamber and the waste toner chamber. The partition is such
6892036 Toner cartridge having a toner agitator and a reciprocally moving member coupled to the agitator May 10, 2005
A toner cartridge has a toner-agitating member that agitates the toner to be supplied to a developing unit. The toner cartridge has at least a part of a detecting mechanism that transmits the motion of the agitating member to detect an amount of the remaining toner in the toner cartridge
6819360 Image pickup element and apparatus for focusing November 16, 2004
The present invention provides an image pickup apparatus which photoelectrically converts an optical image transmitted through a photographing optical system and formed on a photoconductive surface. The image pickup apparatus includes a first microlens array and a second microlens ar
6546213 Toner cartridge and image forming apparatus April 8, 2003
A toner cartridge detachably is attached to an image forming apparatus. The toner cartridge includes a toner chamber that holds toner therein and a toner-agitating mechanism that agitates the toner in the toner chamber. The mechanism includes a crank shaft that includes a first crank pin
6320775 Power conversion apparatus utilizing zero-phase power supply device that provides zero-phase seq November 20, 2001
A power conversion apparatus is provided which includes a power converter including a plurality of semiconductor switching elements which operate to perform power conversion, thereby to generate polyphase alternating current, an ac load circuit connected to an ac output side of the power
6259611 PWM power converter July 10, 2001
A PWM power converter is provided which includes an adder that adds a high-frequency signal from a high-frequency generator to a voltage command signal, and a PWM generator of carrier comparison type or space vector type that generates a PWM signal based on the output of the adder, which
6137704 Power conversion apparatus utilizing zero-phase power supply device that provides zero-phase seq October 24, 2000
A power conversion apparatus is provided which includes a power converter including a plurality of semiconductor switching elements which operate to perform power conversion, thereby to generate polyphase alternating current, an ac load circuit connected to an ac output side of the power
6066928 Electric system for electric vehicle May 23, 2000
An electric system for an electric vehicle includes a voltage type inverter that receives dc input voltage from a dc input circuit, and generates variable ac voltage of a variable frequency, and an ac motor including a plurality of windings each of which has one end connected to an ac ou
6045860 Process for manufacturing interior tinned copper tube April 4, 2000
A process for manufacturing a copper tube with a tinned inner surface by circulating a substitution-type electroless tin plating solution inside the copper tube. The process is characterized by comprising a first plating step wherein the rate of deposition of a tin film is adjusted so
6023594 Image forming apparatus having a plurality of image forming stations including devices and recei February 8, 2000
An image forming apparatus such as color electrophotographic printer has a plurality of image forming stations. Each image forming station includes an image forming cartridge and a toner cartridge mounted therein. The toner cartridge has a corresponding first engagement portion. The imag
4977679 Azimuth signal generator December 18, 1990
In an azimuth signal generator for an automobile navigation system a change in the rotational rate of an inertia rotary member, which has its rotary shaft held vertically and is driven at substantially a constant speed, is detected as a direction changing rate of the car and the directio










 
 
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