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name:-0.027013063430786
name:-0.031352996826172
name:-0.00049996376037598
Sakaizawa; Katsuhiro Patent Filings

Sakaizawa; Katsuhiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sakaizawa; Katsuhiro.The latest application filed is for "image forming apparatus and image forming system".

Company Profile
0.32.22
  • Sakaizawa; Katsuhiro - Numazu JP
  • Sakaizawa; Katsuhiro - Numazu-shi JP
  • Sakaizawa; Katsuhiro - Shizuoka JP
  • Sakaizawa; Katsuhiro - Shizuoka-ken JP
  • Sakaizawa; Katsuhiro - Kawasaki JP
  • Sakaizawa; Katsuhiro - 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
PatentDate
Image forming apparatus and image forming system
Grant 8,489,011 - Hagiwara , et al. July 16, 2		2013-07-16
Image forming apparatus and image forming system
Grant 8,437,678 - Hagiwara , et al. May 7, 2		2013-05-07
Image Forming Apparatus And Image Forming System
App 20130094871 - Hagiwara; Kazunari ;   et al.		2013-04-18
Developing apparatus
Grant 8,019,258 - Nishida , et al. September 13, 2		2011-09-13
Image forming apparatus
Grant 8,019,260 - Endo , et al. September 13, 2		2011-09-13
Image forming apparatus
Grant 7,962,076 - Endo , et al. June 14, 2		2011-06-14
Developing apparatus having a scraping member
Grant 7,890,032 - Endo , et al. February 15, 2		2011-02-15
Developing Apparatus
App 20110026978 - Nishida; Shinichi ;   et al.		2011-02-03
Developing apparatus
Grant 7,840,168 - Nishida , et al. November 23, 2		2010-11-23
Image Forming Apparatus
App 20100202806 - ENDO; Rie ;   et al.		2010-08-12
Developing apparatus and image forming apparatus
Grant 7,773,923 - Hagiwara , et al. August 10, 2		2010-08-10
Image forming apparatus
Grant 7,734,205 - Sakaizawa , et al. June 8, 2		2010-06-08
Image Forming Apparatus And Image Forming System
App 20100061749 - Hagiwara; Kazunari ;   et al.		2010-03-11
Developing Apparatus
App 20100046988 - ENDO; Rie ;   et al.		2010-02-25
Developing apparatus having developer supplying member in spaced apart relationship with developer carrying member
Grant 7,668,490 - Endo , et al. February 23, 2		2010-02-23
Image Forming Apparatus
App 20090003892 - Sakaizawa; Katsuhiro ;   et al.		2009-01-01
Developing Apparatus And Image Forming Apparatus
App 20090003863 - Hagiwara; Kazunari ;   et al.		2009-01-01
Developing Apparatus
App 20070297834 - Nishida; Shinichi ;   et al.		2007-12-27
Image forming apparatus
App 20070098459 - Endo; Rie ;   et al.		2007-05-03
Developing apparatus
App 20060257175 - Endo; Rie ;   et al.		2006-11-16
Image forming apparatus and control method for the image forming apparatus
Grant 7,068,956 - Tsukida , et al. June 27, 2		2006-06-27
Image formation apparatus, and control method for image formation apparatus
Grant 7,020,419 - Tsuruya , et al. March 28, 2		2006-03-28
Image forming apparatus featuring a developer carrying member with a controlled operation time and related control method
Grant 6,954,595 - Tsukida , et al. October 11, 2		2005-10-11
Image forming apparatus and control method for the image forming apparatus
App 20050201766 - Tsukida, Shinichi ;   et al.		2005-09-15
Image formation apparatus, and control method for image formation apparatus
App 20050163532 - Tsuruya, Satoshi ;   et al.		2005-07-28
Composition for accessing a memory in image formation apparatus and method for accessing a memory in image formation apparatus
Grant 6,915,094 - Tsuruya , et al. July 5, 2		2005-07-05
Developing apparatus and image forming apparatus
Grant 6,751,423 - Sakaizawa , et al. June 15, 2		2004-06-15
Image forming apparatus and control method for the image forming apparatus
App 20040101322 - Tsukida, Shinichi ;   et al.		2004-05-27
Developing roller for electrophotography, developing apparatus, apparatus unit and image forming apparatus
Grant 6,714,754 - Ozeki , et al. March 30, 2		2004-03-30
Image forming apparatus with flexible charging member for use with spherical toner
Grant 6,647,229 - Haraguchi , et al. November 11, 2		2003-11-11
Image forming apparatus with superposed direct current and alternating current charging voltage
Grant 6,611,669 - Suzuki , et al. August 26, 2		2003-08-26
Image forming apparatus featuring application of superimposed DC and AC voltages and DC voltage
Grant 6,603,935 - Tsuruya , et al. August 5, 2		2003-08-05
Image formation apparatus, and control method for image formation apparatus
App 20030133719 - Tsuruya, Satoshi ;   et al.		2003-07-17
Developing apparatus and image forming apparatus
App 20030128997 - Sakaizawa, Katsuhiro ;   et al.		2003-07-10
Developing roller for electrophotography, developing apparatus, apparatus unit and image forming apparatus
App 20030016967 - Ozeki, Yukihiro ;   et al.		2003-01-23
Image forming apparatus featuring a conductive developing roller including a mandrel, an elastic layer, an intermediate layer, and a charge-providing layer formed thereon
Grant 6,484,007 - Ozeki , et al. November 19, 2		2002-11-19
Image forming apparatus
App 20020159782 - Tsuruya, Satoshi ;   et al.		2002-10-31
Image forming method
App 20020136567 - Haraguchi, Manami ;   et al.		2002-09-26
Image forming apparatus featuring a regulating member for regulating a number of layers of a developer carried by a developer carrying member
Grant 6,389,253 - Nonomura , et al. May 14, 2		2002-05-14
Image forming apparatus
App 20020048468 - Sakaizawa, Katsuhiro ;   et al.		2002-04-25
Image forming apparatus
App 20020039498 - Suzuki, Jun ;   et al.		2002-04-04
Image forming apparatus
App 20020015600 - Haraguchi, Manami ;   et al.		2002-02-07
Image forming apparatus with cleaning sequence of contact charging members
App 20010026694 - Sakaizawa, Katsuhiro ;   et al.		2001-10-04
Developing apparatus featuring first and second developer chambers and guide member for directing stripped-off developer
Grant 6,229,980 - Ogawa , et al. May 8, 2		2001-05-08
Image forming apparatus
Grant 5,970,279 - Sakaizawa , et al. October 19, 1		1999-10-19
Image forming apparatus
Grant 5,734,390 - Sakaizawa , et al. March 31, 1		1998-03-31
Image forming apparatus with ink jet and electrophotographic image forming means
Grant 5,729,785 - Sakaizawa , et al. March 17, 1		1998-03-17
Image forming apparatus including plural image forming means and plural recording medium transport passages
Grant 5,570,451 - Sakaizawa , et al. October 29, 1		1996-10-29
Image forming apparatus with plural types of image forming devices
Grant 5,561,500 - Ohzeki , et al. October 1, 1		1996-10-01
Developing apparatus
Grant 5,534,982 - Sakaizawa , et al. July 9, 1		1996-07-09
Developing apparatus using elastic blade
Grant 5,519,472 - Ojima , et al. May 21, 1		1996-05-21
Fixing device which controls an energizing condition of a heater after fixing operation
Grant 5,436,709 - Sakaizawa , et al. July 25, 1		1995-07-25
Fixing device using fuzzy inference
Grant 5,311,268 - Ohzeki , et al. May 10, 1		1994-05-10

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