Koichi; Yasushi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Koichi; Yasushi.The latest application filed is for "image forming apparatus, process cartridge, cleaning system, and image forming apparatus with cleaning system".

Company Profile

0.22.14

Koichi; Yasushi - Kanagawa JP
Koichi; Yasushi - Yamato JP
Koichi; Yasushi - Yamato city JP
Koichi; Yasushi - Yamato-shi JP
Koichi; Yasushi - Kanagawa-ken JP
Koichi; Yasushi - Tokyo JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Image forming apparatus, process cartridge, cleaning system, and image forming apparatus with cleaning system Grant 7,840,152 - Koichi , et al. November 23, 2	2010-11-23
Image forming apparatus including controller to detect condition of image developer Grant 7,639,957 - Kato , et al. December 29, 2	2009-12-29
Image forming apparatus to prevent toner deformation Grant 7,548,349 - Koichi , et al. June 16, 2	2009-06-16
Image Forming Apparatus, Process Cartridge, Cleaning System, And Image Forming Apparatus With Cleaning System App 20090116863 - KOICHI; Yasushi ; et al.	2009-05-07
Image forming method and image forming apparatus for same Grant 7,515,860 - Suzuki , et al. April 7, 2	2009-04-07
Image processing apparatus, process cartridge, and cleaning system with residual toner retaining unit Grant 7,499,664 - Koichi , et al. March 3, 2	2009-03-03
Image forming apparatus, process cartridge and cleaningless system Grant 7,315,711 - Ariizumi , et al. January 1, 2	2008-01-01
Image Forming Method And Image Forming Apparatus For Same App 20070286652 - SUZUKI; Koji ; et al.	2007-12-13
Image Forming Apparatus Having Enhanced Image Forming Condition App 20070248368 - Kato; Shinji ; et al.	2007-10-25
Image forming method and image forming apparatus for same Grant 7,273,688 - Suzuki , et al. September 25, 2	2007-09-25
Image forming apparatus controlling polarity of residual toner and process cartridge for use in the same Grant 7,218,879 - Enoki , et al. May 15, 2	2007-05-15
Image forming apparatus and image forming method Grant 7,162,187 - Koichi , et al. January 9, 2	2007-01-09
Image forming method and toner for use in the method Grant 7,150,954 - Aoki , et al. December 19, 2	2006-12-19
Image forming method and image forming apparatus for same App 20060275688 - Suzuki; Koji ; et al.	2006-12-07
Image forming method and image forming apparatus for same Grant 7,125,638 - Suzuki , et al. October 24, 2	2006-10-24
Image forming apparatus, process cartridge and cleaningless system App 20050276632 - Ariizumi, Osamu ; et al.	2005-12-15
Image-forming apparatus and image-forming method Grant 6,934,484 - Suzuki , et al. August 23, 2	2005-08-23
Image forming apparatus, process cartridge, cleaning system, and image forming apparatus with cleaning system App 20050169668 - Koichi, Yasushi ; et al.	2005-08-04
Image forming apparatus and process cartridge for use in the same App 20050141917 - Enoki, Shigekazu ; et al.	2005-06-30
Image forming method and toner for use in the method Grant 6,899,986 - Aoki , et al. May 31, 2	2005-05-31
Image forming method and toner for use in the method App 20050079430 - Aoki, Mitsuo ; et al.	2005-04-14
Image forming apparatus App 20050030595 - Koichi, Yasushi ; et al.	2005-02-10
Image forming apparatus and image forming method App 20050025535 - Koichi, Yasushi ; et al.	2005-02-03
Toner, developer and image forming method using the toner Grant 6,835,517 - Kondo , et al. December 28, 2	2004-12-28
Image forming method and image forming apparatus for same App 20040241566 - Suzuki, Koji ; et al.	2004-12-02
Image-forming apparatus and image-forming method App 20040076443 - Suzuki, Koji ; et al.	2004-04-22
Image forming method and toner for use in the method App 20030186155 - Aoki, Mitsuo ; et al.	2003-10-02
Toner, developer and image forming method using the toner App 20030082472 - Kondo, Maiko ; et al.	2003-05-01
Toner concentration control method Grant 5,387,965 - Hasegawa , et al. February 7, 1	1995-02-07
Image forming method Grant 5,327,196 - Kato , et al. July 5, 1	1994-07-05
Image density control method Grant 5,038,175 - Sohmiya , et al. August 6, 1	1991-08-06
Image density control method for an image forming apparatus Grant 5,006,896 - Koichi , et al. April 9, 1	1991-04-09
Corona wire cleaning device utilizing a position detection system Grant 4,885,466 - Koichi , et al. December 5, 1	1989-12-05
Control of toner concentration in a developer Grant 4,734,737 - Koichi March 29, 1	1988-03-29
Toner supply control method for electrophotographic copier Grant 4,522,481 - Imai , et al. June 11, 1	1985-06-11
Electrostatographic copying apparatus with automatic toner density control Grant 4,279,498 - Eda , et al. July 21, 1	1981-07-21

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