Patent | Date |
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Developing device featuring high viscosity developing agent and superimposed AC and DC bias voltage components Grant 7,174,119 - Sakemi February 6, 2 | 2007-02-06 |
Image forming apparatus Grant 6,850,722 - Sakemi , et al. February 1, 2 | 2005-02-01 |
Developing device App 20040141773 - Sakemi, Yuji | 2004-07-22 |
Image forming apparatus App 20030072588 - Sakemi, Yuji ;   et al. | 2003-04-17 |
Developing apparatus Grant 6,546,222 - Sakemi , et al. April 8, 2 | 2003-04-08 |
Developing apparatus Grant 6,459,862 - Sakemi , et al. October 1, 2 | 2002-10-01 |
Developing apparatus App 20020028094 - Sakemi, Yuji ;   et al. | 2002-03-07 |
Image forming apparatus having a cleaning blade with a tensile strength from 80 to 120 kg/cm.sup.2 Grant 5,752,151 - Inoue , et al. May 12, 1 | 1998-05-12 |
Powder conveying device Grant 5,414,497 - Tsuchiya , et al. May 9, 1 | 1995-05-09 |
Image forming apparatus replenishing toner by detecting the ratio of toner and carrier and the density of the developer Grant 5,365,319 - Sakemi , et al. November 15, 1 | 1994-11-15 |
Magnetic seal for a developing apparatus Grant 5,287,148 - Sakemi , et al. February 15, 1 | 1994-02-15 |
Powder conveying device Grant 5,270,484 - Tsuchiya , et al. December 14, 1 | 1993-12-14 |
Magnetic seal for preventing developer from leaking out of the longitudinal ends of a rotatable member Grant 5,267,007 - Watanabe , et al. November 30, 1 | 1993-11-30 |
Developing apparatus with regulating member having magnetic and non-magnetic members Grant 5,239,343 - Sakemi , et al. August 24, 1 | 1993-08-24 |
Developing apparatus having a magnetic seal Grant 5,177,536 - Watanabe , et al. January 5, 1 | 1993-01-05 |
Non-contact developing apparatus utilizing a tangential magnetic field Grant 4,844,008 - Sakemi , et al. July 4, 1 | 1989-07-04 |
Method and apparatus for image development using a two component developer with contact and non-contact development steps alternated by vibration of magnetic particles subject to electric and magnetic fields Grant 4,777,107 - Kurematsu , et al. October 11, 1 | 1988-10-11 |
Image forming method and apparatus using developer having toner generally from one to five microns in size and a lubricant Grant 4,748,474 - Kurematsu , et al. May 31, 1 | 1988-05-31 |
Image recording apparatus Grant 4,590,496 - Toyono , et al. May 20, 1 | 1986-05-20 |
Image recording apparatus Grant 4,573,061 - Fujii , et al. February 25, 1 | 1986-02-25 |