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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 399/285
Name: Electrophotography > Image formation > Development > Dry development > Application member > Roller > Having applied bias
Description: Subject matter wherein the roller is maintained at a predetermined electrical potential to aid in or influence the development.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8693929 Image forming apparatus Apr. 8, 2014
8688018 Developing device and image forming apparatus including the same Apr. 1, 2014
8660471 Developer supply device and image forming apparatus having the same Feb. 25, 2014
8600247 Image forming apparatus, image forming method, and computer program product for causing a computer to execute the method Dec. 3, 2013
8548344 Image forming apparatus Oct. 1, 2013
8537583 Load driver, image forming apparatus, load driving method, and computer program product Sep. 17, 2013
8509655 Image forming apparatus Aug. 13, 2013
8498557 Developer supply device and image forming apparatus having the same Jul. 30, 2013
8489004 Developer device and image forming apparatus Jul. 16, 2013
8478150 Image forming apparatus and method for controlling same Jul. 2, 2013
8478140 Image forming apparatus featuring a developer replenishing device Jul. 2, 2013
8411332 Image forming apparatus Apr. 2, 2013
8391755 Developing device, process cartridge, and image forming apparatus Mar. 5, 2013
8351826 Image forming method, image forming device, and image forming program Jan. 8, 2013
8346109 Image forming apparatus with reset operation processing unit Jan. 1, 2013
8335445 Development apparatus and image forming apparatus Dec. 18, 2012
8331835 Developing device and image forming apparatus with developer including toner, carrier, and reverse polarity particles Dec. 11, 2012
8311429 Image forming apparatus having development bias voltage generating circuit Nov. 13, 2012
8285164 Developing device, and controlling method thereof Oct. 9, 2012
8280268 Developing device, and controlling method thereof Oct. 2, 2012
8190044 Image forming apparatus May. 29, 2012
8185025 Device for developing an electrostatic latent image, and process cartridge and image forming apparatus including the same May. 22, 2012
8175504 Image forming apparatus and image forming method May. 8, 2012
8170454 Image forming apparatus and image forming method May. 1, 2012
8155570 Developing device and image forming apparatus with the same Apr. 10, 2012
8155553 Developing apparatus, process cartridge, and electrophotographic image forming apparatus Apr. 10, 2012
8131172 Image forming apparatus Mar. 6, 2012
8121503 Image forming apparatus, developing device, and method of adjusting developer Feb. 21, 2012
8116647 Image forming apparatus and method for controlling same Feb. 14, 2012
8095026 Developing device and image forming apparatus Jan. 10, 2012
8081910 Image forming apparatus and image forming method Dec. 20, 2011
8073369 Development device transferring only a toner layer to a developing roller and image apparatus using the same Dec. 6, 2011
8073348 Image forming apparatus Dec. 6, 2011
8036544 Image forming apparatus and method of detecting amount of residual developer Oct. 11, 2011
8019260 Image forming apparatus Sep. 13, 2011
8005381 Image forming apparatus Aug. 23, 2011
8000639 Developing device and image forming apparatus Aug. 16, 2011
7995943 Electrophotographic image forming apparatus for use with powder developer material Aug. 9, 2011
7991311 Image forming apparatus and method for controlling developing bias voltage Aug. 2, 2011
7986892 Image forming apparatus having a controller for controlling a developer Jul. 26, 2011
7974545 Developing device and image forming apparatus that utilize a variable AC bias voltage Jul. 5, 2011
7970323 Developing device, developer therefor, and image forming method and apparatus, and process cartridge using the developing device Jun. 28, 2011
7962076 Image forming apparatus Jun. 14, 2011
7957658 Image forming apparatus Jun. 7, 2011
7949270 Development method and image forming apparatus May. 24, 2011
7937008 Image forming apparatus and image forming method May. 3, 2011
7937009 Image forming apparatus and method of controlling the same according to bias voltages May. 3, 2011
7937030 Developing unit and image forming apparatus May. 3, 2011
7929890 Image formation device and developer supply device Apr. 19, 2011
7912390 Image forming apparatus Mar. 22, 2011

1 2 3 4 5 6 7










 
 
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