| Patent Number |
Title Of Patent |
Date Issued |
| 6912366 |
IMAGE FORMING APPARATUS COMPRISING MEANS FOR DETECTING AN AMOUNT OF DEVELOPER CONTAINED IN A DEV |
June 28, 2005 |
| An image forming apparatus or a cartridge detachably attachable to the image forming apparatus is provided, wherein the apparatus comprises developer container for containing developer, developer amount detecting means for detecting an amount of the developer contained in the developer |
| 6721522 |
PROCESS CARTRIDGE DETACHABLY MOUNTABLE TO A MAIN ASSEMBLY OF AN IMAGE FORMING APPARATUS COMPRISI |
April 13, 2004 |
| An image forming apparatus includes a transferring device for transferring, after a first color developer image is transferred onto an image receiving material in a first image forming station, a second color developer image onto the image receiving material in a second image forming sta |
| 6714745 |
Image forming apparatus having a plurality of image forming stations, and unit detachably mounta |
March 30, 2004 |
| The present invention provides an image forming apparatus that has a plurality of image forming stations for forming an image on a recording material, each of the plurality of image forming stations having a memory, and writing device for writing data into the memories, wherein when the |
| 6694107 |
Image forming apparatus and cartridge detachably mountable thereto |
February 17, 2004 |
| An image forming apparatus includes an image forming device for forming an image on a recording material, wherein at least a part of the image forming device is in the form of a unit which is detachably mountable to a main assembly of the apparatus, the apparatus includes a memory, where |
| 6608975 |
Image forming apparatus and cartridge detachably mountable thereto |
August 19, 2003 |
| An image forming apparatus includes an image forming device for forming an image on a recording material, wherein at least a part of the image forming device is in the form of a unit which is detachably mountable to a main assembly of the apparatus, the apparatus includes a memory, where |
| 6597876 |
Image forming apparatus and cartridge detachably mountable thereto |
July 22, 2003 |
| An image forming apparatus includes an image forming device for forming an image on a recording material, wherein at least a part of the image forming device is in the form of a unit which is detachably mountable to a main assembly of the apparatus, the apparatus includes a memory, where |
| 6594462 |
Developing apparatus using toner with conductive particles |
July 15, 2003 |
| A developing apparatus, which can obtain a stable toner charging amount even if a developer charging member is contaminated by toner and reduce reversal fog to reduce toner consumption, has a developer carrying body for carrying a developer to a developing position, and a developer c |
| 6591070 |
Image forming apparatus and cartridge detachably mountable to same |
July 8, 2003 |
| The present invention provides an image forming apparatus which has a developer container for containing developer, the container being detachably mountable to a main assembly of the image forming apparatus, developer amount detecting device for detecting an amount of the developer c |
| 6542710 |
Developing apparatus for preventing developer from attaching to developer electrifying member |
April 1, 2003 |
| A developing apparatus in which a developer is prevented from attaching to a developer electrifying member. The developing apparatus has a developer carrying body, a regulating member, and a developer carrying member, wherein during a period when developing action is not conducted by the |
| 6522842 |
Developing apparatus and image forming apparatus |
February 18, 2003 |
| In a developing apparatus having the configuration of charging toner on the developing roller with the toner charging roller, toner charging roller contacts to the developing roller. Since toner adheres onto the toner charging roller by applying the voltage higher than a starting voltage |
| 6493519 |
Image forming apparatus having a plurality of image forming stations, and unit detachably mounta |
December 10, 2002 |
| The present invention provides an image forming apparatus that has a plurality of image forming stations for forming an image on a recording material, each of the plurality of image forming stations having a memory, and writing device for writing data into the memories, wherein when the |
| 6314257 |
Simultaneous developing/cleaning device |
November 6, 2001 |
| A simultaneous developing/cleaning device includes a developer carrying member for carrying a layer of developer, the developer carrying member forming a developing zone where the layer of the developer is contacted to the developer carrying member and to an image bearing member carrying |
| 6308038 |
Developing apparatus |
October 23, 2001 |
| A developing apparatus has a developer carrying body carrying a developer thereon, and a layer thickness regulating member for regulating the layer thickness of the developer carried on the developer carrying body. The developer carried on the developer carrying body contacting with an i |
