Koyanagi; Masato

Patent Applications and Registrations

Patent applications and USPTO patent grants for Koyanagi; Masato.The latest application filed is for "developing assembly, process cartridge, and image-forming apparatus".

Company Profile

0.16.16

Koyanagi; Masato - Ibaraki JP
Koyanagi; Masato - Mishima JP
Koyanagi; Masato - Ibaraki-shi JP
Koyanagi; Masato - Mishima-shi JP
Koyanagi; Masato - Shizuoka 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 assembly, process cartridge, and image-forming apparatus Grant 9,256,156 - Goto , et al. February 9, 2	2016-02-09
Developing device and image forming apparatus Grant 9,250,564 - Hashimoto , et al. February 2, 2	2016-02-02
Developing assembly, process cartridge, and image-forming apparatus Grant 9,213,258 - Goto , et al. December 15, 2	2015-12-15
Developing device and image forming apparatus Grant 9,098,014 - Koyanagi , et al. August 4, 2	2015-08-04
Development device, process cartridge, and image forming apparatus Grant 9,098,010 - Koyanagi , et al. August 4, 2	2015-08-04
Developing Assembly, Process Cartridge, And Image-forming Apparatus App 20150055988 - Goto; Gosuke ; et al.	2015-02-26
Developing Assembly, Process Cartridge, And Image-forming Apparatus App 20150055989 - Goto; Gosuke ; et al.	2015-02-26
Developing Device And Image Forming Apparatus App 20150055990 - Koyanagi; Masato ; et al.	2015-02-26
Developing Device And Image Forming Apparatus App 20150055991 - Hashimoto; Kazunori ; et al.	2015-02-26
Development Device, Process Cartridge, And Image Forming Apparatus App 20130223891 - Koyanagi; Masato ; et al.	2013-08-29
Toner supplying roller, developing apparatus, and image forming apparatus Grant 8,116,668 - Koyanagi , et al. February 14, 2	2012-02-14
Image forming apparatus with a predetermined potential difference between regions of an image bearing member Grant 7,711,279 - Matsuda , et al. May 4, 2	2010-05-04
Toner Supplying Roller, Developing Apparatus, And Image Forming Apparatus App 20090297230 - Koyanagi; Masato ; et al.	2009-12-03
Charging device including a contact charging member with silica thereon, process cartridge including a contact charging member, and image forming apparatus including such charging member Grant 7,593,670 - Matsuda , et al. September 22, 2	2009-09-22
Image forming apparatus wherein an image forming region and a non-image forming region are charged with different potentials Grant 7,457,554 - Matsuda , et al. November 25, 2	2008-11-25
Image Forming Apparatus App 20080232854 - Matsuda; Kohei ; et al.	2008-09-25
Image forming apparatus and seal retractor Grant 7,277,659 - Kobayashi , et al. October 2, 2	2007-10-02
Developer regulation member and developing apparatus Grant 7,239,832 - Takashima , et al. July 3, 2	2007-07-03
Developing apparatus Grant 7,209,690 - Koyanagi , et al. April 24, 2	2007-04-24
Image forming apparatus, image forming apparatus control method, cartridge, and storage medium Grant 7,123,849 - Ishii , et al. October 17, 2	2006-10-17
Charging Apparatus, Process Cartridge, And Image Forming Apparatus App 20060188292 - Matsuda; Kohei ; et al.	2006-08-24
Cleaning blade, cleaning device, process cartridge, and image forming apparatus using them Grant 6,983,120 - Ishii , et al. January 3, 2	2006-01-03
Image forming apparatus App 20050260006 - Matsuda, Kohei ; et al.	2005-11-24
Image forming apparatus and seal retractor App 20050220464 - Kobayashi, Tetsuya ; et al.	2005-10-06
Developer carrying member and developing apparatus Grant 6,952,551 - Koyanagi , et al. October 4, 2	2005-10-04
Developing apparatus App 20050214032 - Koyanagi, Masato ; et al.	2005-09-29
Developer regulating member and developing apparatus Grant 6,909,869 - Yamamoto , et al. June 21, 2	2005-06-21
Image forming apparatus, image forming apparatus control method, cartridge, and storage medium App 20050025507 - Ishii, Yasuyuki ; et al.	2005-02-03
Developer regulation member and developing apparatus App 20050025531 - Takashima, Koichiro ; et al.	2005-02-03
Developer carrying member and developing apparatus App 20040240910 - Koyanagi, Masato ; et al.	2004-12-02
Cleaning blade, cleaning device, process cartridge, and image forming apparatus using them App 20040213607 - Ishii, Yasuyuki ; et al.	2004-10-28
Developer regulating member and developing apparatus App 20030223783 - Yamamoto, Shinya ; et al.	2003-12-04

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