Koetsuka; Kyohta

Patent Applications and Registrations

Patent applications and USPTO patent grants for Koetsuka; Kyohta.The latest application filed is for "polishing sheet, polishing tool and polishing method".

Company Profile

0.36.33

Koetsuka; Kyohta - Kanagawa N/A JP
Koetsuka; Kyohta - Fujisawa N/A JP
Koetsuka; Kyohta - Fujisawa-shi JP
KOETSUKA; Kyohta - Fujisawa city JP
Koetsuka; Kyohta - Kawasaki-shi JP
Koetsuka; Kyohta - 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
Polishing sheet, polishing tool and polishing method Grant 10,105,814 - Sawada , et al. October 23, 2	2018-10-23
Polishing Sheet, Polishing Tool And Polishing Method App 20160221147 - SAWADA; Kiyotaka ; et al.	2016-08-04
Development device, and process cartridge and image forming apparatus incorporating same Grant 8,824,932 - Masuda , et al. September 2, 2	2014-09-02
Develop roller, develop unit, process cartridge, and image forming apparatus Grant 8,731,444 - Ohsawa , et al. May 20, 2	2014-05-20
Development device, process cartridge, and image forming apparatus including same having multiple recesses formed on a developer bearer Grant 8,682,230 - Taguchi , et al. March 25, 2	2014-03-25
Magnet roller, developer holder element, develop unit, process cartridge, and image forming apparatus Grant 8,600,271 - Innami , et al. December 3, 2	2013-12-03
Development roller, development device, process cartridge and image-forming apparatus Grant 8,565,652 - Terasaka , et al. October 22, 2	2013-10-22
Magnetic particle carrying device, and developing unit, process cartridge, and image forming apparatus using the same, and surface treatment method of the same Grant 8,535,116 - Abe , et al. September 17, 2	2013-09-17
Magnetic roller and manufacturing method thereof, developer carrier, development device, processing cartridge, and image forming apparatus Grant 8,500,615 - Imamura , et al. August 6, 2	2013-08-06
Developing unit, image forming apparatus incorporating same, and process cartridge including same Grant 8,331,834 - Koetsuka , et al. December 11, 2	2012-12-11
Development Roller, Development Device, Process Cartridge And Image-forming Apparatus App 20120294655 - TERASAKA; Takumi ; et al.	2012-11-22
Development roller including a development sleeve, surface treatment device that treats an outer surface of the development sleeve and wire member that roughens the outer surface of the development sleeve Grant 8,175,501 - Kamiya , et al. May 8, 2	2012-05-08
Developer regulating member in a developing unit, process cartridge including same, and image forming apparatus incorporating same Grant 8,135,315 - Ozeki , et al. March 13, 2	2012-03-13
Development roller, development device, process cartridge and image forming device Grant 8,135,316 - Kojima , et al. March 13, 2	2012-03-13
Development Device, Process Cartridge, And Image Forming Apparatus Including Same App 20120057907 - TAGUCHI; Nobuyuki ; et al.	2012-03-08
Develop Roller, Develop Unit, Process Cartridge, And Image Forming Apparatus App 20110274471 - OHSAWA; Masayuki ; et al.	2011-11-10
Magnet Roller, Developer Holder Element, Develop Unit, Process Cartridge, And Image Forming Apparatus App 20110262190 - INNAMI; Takashi ; et al.	2011-10-27
Magnet roller and method for the same, magnetic particle-support member, development device, process cartridge, and image forming apparatus Grant 8,023,867 - Takano , et al. September 20, 2	2011-09-20
Development Device, And Process Cartridge And Image Forming Apparatus Incorporating Same App 20110194874 - Masuda; Katsumi ; et al.	2011-08-11
Development Roller Including A Development Sleeve, Surface Treatment Device That Treats An Outer Surface Of The Development Sleeve And Wire Member That Roughens The Outer Surface Of The Development Sleeve App 20110142501 - Kamiya; Noriyuki ; et al.	2011-06-16
Magnetic Particle Carrying Device, And Developing Unit, Process Cartridge, And Image Forming Apparatus Using The Same, And Surface Treatment Method Of The Same App 20110130074 - ABE; Hiroya ; et al.	2011-06-02
Developing roller, developing device, process cartridge, and image forming apparatus Grant 7,925,192 - Kojima , et al. April 12, 2	2011-04-12
Magnetic field generating member and manufacturing method thereof, magnetic particle support body, image development device, process cartridge and image forming apparatus Grant 7,917,067 - Takano , et al. March 29, 2	2011-03-29
Developer carrier, development device, process cartridge, and image forming apparatus Grant 7,907,876 - Ohsawa , et al. March 15, 2	2011-03-15
Magnetic particle carrying device, and developing unit, process cartridge, and image forming apparatus using the same, and surface treatment method of the same Grant 7,899,374 - Abe , et al. March 1, 2	2011-03-01
Method of manufacturing a hollow body used in an image forming apparatus Grant 7,891,094 - Imamura , et al. February 22, 2	2011-02-22
Magnetic roller, developer carrier, developing device, process cartridge, and image forming apparatus Grant 7,890,030 - Innami , et al. February 15, 2	2011-02-15
Development Roller, Development Device, Processing Cartridge And Image Forming Device App 20100158578 - Kojima; Toshio ; et al.	2010-06-24
Method Of Manufacturing A Hollow Body Used In An Image Forming Apparatus App 20100077588 - Imamura; Tsuyoshi ; et al.	2010-04-01
Developer Carrier, Development Device, Process Cartridge, And Image Forming Apparatus App 20100067959 - Ohsawa; Masayuki ; et al.	2010-03-18
Developer holding member, development device, process cartridge, image forming apparatus and method of manufacturing hollow body Grant 7,664,441 - Imamura , et al. February 16, 2	2010-02-16
Developing Unit, Process Cartridge Including Same, And Image Forming Apparatus Incorporating Same App 20090245882 - OZEKI; Takamasa ; et al.	2009-10-01
Developing Unit, Image Forming Apparatus Incorporating Same, And Process Cartridge Including Same App 20090245889 - Koetsuka; Kyohta ; et al.	2009-10-01
Magnetic Roller, Developer Carrier, Developing Device, Process Cartridge, And Image Forming Apparatus App 20090232563 - INNAMI; Takashi ; et al.	2009-09-17
Magnet compound material to be compression molded, a molded elongate magnetic, a magnet roller, a developing agent-carrying body, a developing apparatus and an image-forming apparatus Grant 7,572,388 - Terashima , et al. August 11, 2	2009-08-11
Magnetic Field Generating Member And Manufacturing Method Thereof, Magnetic Particle Support Body, Image Development Device, Process Cartridge And Image Forming Apparatus App 20090175666 - TAKANO; Yoshiyuki ; et al.	2009-07-09
Develop Unit, Process Cartridge, And Image Formation Apparatus App 20090154961 - KAMIYA; Noriyuki ; et al.	2009-06-18
Developing Roller, Developing Device, Process Cartridge, And Image Forming Apparatus App 20090060591 - Kojima; Toshio ; et al.	2009-03-05
Magnetic roller and manufacturing method thereof, developer carrier, development device, processing cartridge, and image forming apparatus App 20080298849 - IMAMURA; Tsuyoshi ; et al.	2008-12-04
Magnet Roller, Developing Agent Carrier, Developing Unit, Process Cartridge And Image Forming Apparatus Using Same App 20080232865 - TERASHIMA; Mieko ; et al.	2008-09-25
Development Device, Process Cartridge, And Image Formation Apparatus App 20080226355 - KOETSUKA; Kyohta ; et al.	2008-09-18
Magnet Roller And Method For The Same, Magnetic Particle-support Member, Development Device, Process Cartridge, And Image Forming Apparatus App 20080213007 - TAKANO; Yoshiyuki ; et al.	2008-09-04
Magnetic Particle Carrying Device, And Developing Unit, Process Cartridge, And Image Forming Apparatus Using The Same, And Surface Treatment Method Of The Same App 20080170891 - ABE; Hiroya ; et al.	2008-07-17
Long magnet, production method thereof, magnet roller and image forming device Grant 7,366,454 - Nakamura , et al. April 29, 2	2008-04-29
Development magnet roller, development device, process cartridge and image forming apparatus Grant 7,352,983 - Kamiya , et al. April 1, 2	2008-04-01
Developer Holding Member, Development Device, Process Cartridge, Image Forming Apparatus And Method Of Manufacturing Hollow Body App 20080008503 - Imamura; Tsuyoshi ; et al.	2008-01-10
Development Device, Process Cartridge And Image Forming Apparatus App 20070127952 - Terashima; Mieko ; et al.	2007-06-07
Developing roller, developing apparatus, process cartridge, and image formation apparatus Grant 7,203,450 - Kakegawa , et al. April 10, 2	2007-04-10
Development roller, surface treatment device and wire member App 20070059047 - Kamiya; Noriyuki ; et al.	2007-03-15
Image forming apparatus and developing device therefor Grant 7,189,338 - Kamoi , et al. March 13, 2	2007-03-13
Magnet compound material to be compression molded, a molded elongate magnetic, a magnet roller, a developing agent-carrying body, a developing apparatus and an image-forming apparatus App 20070036590 - Terashima; Satoshi ; et al.	2007-02-15
Developing device and process cartridge with predetermined magnetic force for an image forming apparatus Grant 7,127,199 - Imamura , et al. October 24, 2	2006-10-24
Developing device and an image forming apparatus including the same Grant 7,027,761 - Koetsuka , et al. April 11, 2	2006-04-11
Developing roller, developing apparatus, process cartridge, and image formation apparatus App 20050135843 - Kakegawa, Mieko ; et al.	2005-06-23
Development magnet roller, development device, process cartridge and image forming apparatus App 20050063738 - Kamiya, Noriyuki ; et al.	2005-03-24
Long magnet, production method thereof, magnet roller and image forming device App 20040258436 - Nakamura, Makoto ; et al.	2004-12-23
Developing device and an image forming apparatus including the same App 20040234299 - Koetsuka, Kyohta ; et al.	2004-11-25
Image forming apparatus and developing device therefor App 20040113118 - Kamoi, Sumio ; et al.	2004-06-17
Developing device for an image forming apparatus and process cartridge including the same App 20040018031 - Imamura, Tsuyoshi ; et al.	2004-01-29
Developing device and magnet roller for developing device Grant 6,330,415 - Imamura , et al. December 11, 2	2001-12-11

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