Sakagawa; Yoshio

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sakagawa; Yoshio.The latest application filed is for "developing device and image forming apparatus including same".

Company Profile

0.18.17

Sakagawa; Yoshio - Hyogo N/A JP
Sakagawa; Yoshio - Ashiya JP
Sakagawa; Yoshio - Hyogo-ken JP
SAKAGAWA; Yoshio - Ashiya-shi JP
Sakagawa; Yoshio - Takatsuki 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
Developing device and image forming apparatus including same Grant 9,298,127 - Sakagawa , et al. March 29, 2	2016-03-29
Image forming apparatus including a controller configured to regulate a potential difference between a photoconductor and a developing member Grant 8,977,150 - Yamamoto , et al. March 10, 2	2015-03-10
Developing Device And Image Forming Apparatus Including Same App 20150055987 - SAKAGAWA; Yoshio ; et al.	2015-02-26
Image Forming Apparatus App 20130142530 - YAMAMOTO; Shin ; et al.	2013-06-06
Image forming apparatus Grant 7,907,871 - Sakagawa , et al. March 15, 2	2011-03-15
Image forming apparatus Grant 7,903,993 - Sakagawa , et al. March 8, 2	2011-03-08
Image forming apparatus Grant 7,822,356 - Sakagawa , et al. October 26, 2	2010-10-26
Image forming method and apparatus which uses alternating voltage to form an electric field for moving toner Grant 7,796,912 - Sakagawa , et al. September 14, 2	2010-09-14
Image forming apparatus including a brush member to temporarily capture toner Grant 7,792,463 - Sakagawa , et al. September 7, 2	2010-09-07
Cleanerless image forming apparatus Grant 7,751,753 - Sakagawa , et al. July 6, 2	2010-07-06
Image forming method and apparatus for effectively charging an image carrier Grant 7,738,803 - Fujita , et al. June 15, 2	2010-06-15
Electrifying apparatus, a processing unit, and an image formation apparatus Grant 7,725,054 - Fujita , et al. May 25, 2	2010-05-25
Development device for developing an electrostatic latent image formed on an image carrying member into a visible image Grant 7,697,875 - Sakagawa , et al. April 13, 2	2010-04-13
Charging device for charging a surface of a latent image bearing member and an image forming apparatus including the charging device Grant 7,693,459 - Fujita , et al. April 6, 2	2010-04-06
Process unit and image forming apparatus including the same Grant 7,684,732 - Fujita , et al. March 23, 2	2010-03-23
Cleaning of a charging member in an image forming apparatus Grant 7,664,433 - Fujita , et al. February 16, 2	2010-02-16
Image Forming Apparatus, Process Cartridge, And Development Device App 20080317513 - SAKAGAWA; Yoshio ; et al.	2008-12-25
Image Forming Apparatus App 20080273898 - Sakagawa; Yoshio ; et al.	2008-11-06
Image Forming Apparatus App 20080232875 - SAKAGAWA; Yoshio ; et al.	2008-09-25
Image Forming Method And Apparatus App 20080187361 - SAKAGAWA; Yoshio ; et al.	2008-08-07
Image Forming Apparatus App 20080187360 - FUJITA; Tetsumaru ; et al.	2008-08-07
Image Forming Apparatus App 20080181654 - SAKAGAWA; Yoshio ; et al.	2008-07-31
Image Forming Apparatus App 20080181655 - SAKAGAWA; Yoshio ; et al.	2008-07-31
Electrifying Apparatus, A Processing Unit, And An Image Formation Apparatus App 20080152384 - FUJITA; Tetsumaru ; et al.	2008-06-26
Process Unit And Image Forming Apparatus Including The Same App 20080152385 - FUJITA; Tetsumaru ; et al.	2008-06-26
Cleanerless Image Forming Apparatus App 20080145100 - SAKAGAWA; Yoshio ; et al.	2008-06-19
Charging Device And Image Forming Apparatus Using The Charging Device App 20080069592 - Fujita; Tetsumaru ; et al.	2008-03-20
Image Forming Method And Apparatus For Effectively Charging An Image Carrier App 20080056745 - Fujita; Tetsumaru ; et al.	2008-03-06
Particle discharge apparatus and image forming apparatus Grant 7,263,317 - Kubota , et al. August 28, 2	2007-08-28
Particles discharge apparatus and image forming apparatus App 20050207795 - Kubota, Hiroshi ; et al.	2005-09-22
Image forming apparatus comprising a stapler relatively movable in the positions of the original discharge tray and the sheet discharge trays Grant 5,724,641 - Shojo , et al. March 3, 1	1998-03-03

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