Katayama; Hiromasa

Patent Applications and Registrations

Patent applications and USPTO patent grants for Katayama; Hiromasa.The latest application filed is for "developer supply container and developer supplying system".

Company Profile

10.40.42

Katayama; Hiromasa - Tokyo JP
Katayama; Hiromasa - Toride JP
Katayama; Hiromasa - Toride-shi JP
Katayama; Hiromasa - Joetsu 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
Developer Supply Container And Developer Supplying System App 20210356905 - Katayama; Hiromasa ; et al.	2021-11-18
Developer supply container and developer supplying system Grant 11,150,598 - Katayama , et al. October 19, 2	2021-10-19
Developer Supply Container And Developer Supplying System App 20210048775 - Okino; Ayatomo ; et al.	2021-02-18
Developer supply container and developer supplying system Grant 10,884,371 - Okino , et al. January 5, 2	2021-01-05
Developer supply container and developer supplying system Grant 10,852,688 - Okino , et al. December 1, 2	2020-12-01
Image forming apparatus Grant 10,732,539 - Katayama , et al.	2020-08-04
Image forming apparatus having developer accommodating container rotation detection Grant 10,732,553 - Kuroki , et al.	2020-08-04
Developer Supply Container And Developer Supplying System App 20200159163 - Katayama; Hiromasa ; et al.	2020-05-21
Developer supply container and developer supplying system Grant 10,558,161 - Katayama , et al. Feb	2020-02-11
Image forming apparatus having a developing cartridge with mounting interval regulation Grant 10,409,215 - Kobayashi , et al. Sept	2019-09-10
Image Forming Apparatus App 20190235429 - Kuroki; Tooru ; et al.	2019-08-01
Developer Supply Container And Developer Supplying System App 20190212694 - Katayama; Hiromasa ; et al.	2019-07-11
Developer Supply Container And Developer Supplying System App 20190212693 - Okino; Ayatomo ; et al.	2019-07-11
Image forming unit Grant 10,303,114 - Katayama	2019-05-28
Structure of image forming apparatus Grant 10,274,893 - Yasui , et al.	2019-04-30
Image Forming Apparatus App 20190064696 - Katayama; Hiromasa ; et al.	2019-02-28
Image Forming Apparatus Having A Developing Cartridge With Mounting Interval Regulation. App 20170261924 - Kobayashi; Takahiro ; et al.	2017-09-14
Photosensitive member unit and image forming apparatus including the same Grant 9,760,059 - Katayama September 12, 2	2017-09-12
Structure Of Image Forming Apparatus App 20170219992 - Yasui; Ryota ; et al.	2017-08-03
Image forming apparatus having a developing cartridge with mounting interval regulation Grant 9,671,748 - Kobayashi , et al. June 6, 2	2017-06-06
Cleaning device with sealing of supporting plate Grant 9,645,543 - Kubota , et al. May 9, 2	2017-05-09
Image forming apparatus Grant 9,442,458 - Kobayashi , et al. September 13, 2	2016-09-13
Image Forming Apparatus App 20160216684 - Kobayashi; Takahiro ; et al.	2016-07-28
Photosensitive Member Unit And Image Forming Apparatus Including The Same App 20160216688 - Katayama; Hiromasa	2016-07-28
Image Forming Apparatus App 20160216678 - Kobayashi; Takahiro ; et al.	2016-07-28
Image Forming Unit App 20160209803 - Katayama; Hiromasa	2016-07-21
Cleaning Device App 20160209799 - Kubota; Hitoshi ; et al.	2016-07-21
Image forming apparatus Grant 8,870,178 - Taoka , et al. October 28, 2	2014-10-28
Image Forming Apparatus App 20140042687 - Taoka; Keitaro ; et al.	2014-02-13
Sheet conveying apparatus and image forming apparatus with differential roller diameters Grant 8,528,902 - Katayama September 10, 2	2013-09-10
Light Scanning Apparatus And Electrophotographic Image Forming Apparatus App 20130002789 - Katayama; Hiromasa	2013-01-03
Sheet conveyance apparatus, image forming apparatus, and image reading apparatus Grant 8,342,506 - Katayama January 1, 2	2013-01-01
Sheet conveying apparatus, image forming apparatus, and image reading apparatus Grant 8,342,500 - Katayama January 1, 2	2013-01-01
Sheet feeding apparatus and image forming apparatus Grant 8,297,613 - Katayama October 30, 2	2012-10-30
Sheet Conveying Apparatus And Image Forming Apparatus App 20120153557 - Katayama; Hiromasa	2012-06-21
Image forming apparatus Grant 8,155,561 - Katayama April 10, 2	2012-04-10
Image forming apparatus Grant 8,139,995 - Fujita , et al. March 20, 2	2012-03-20
Image Forming Apparatus App 20120063803 - FUJITA; TAKASHI ; et al.	2012-03-15
Sheet processing apparatus and image forming apparatus provided with the same Grant 8,113,499 - Kushida , et al. February 14, 2	2012-02-14
Image forming apparatus which achieves stability of a gap between an image bearing member and developer bearing member Grant 8,095,051 - Katayama January 10, 2	2012-01-10
Image forming apparatus having an endless conveying belt with a 720 degree twist Grant 7,983,607 - Katayama July 19, 2	2011-07-19
Sheet Feeding Apparatus And Image Forming Apparatus App 20110140356 - Katayama; Hiromasa	2011-06-16
Sheet Conveying Apparatus, Image Forming Apparatus, And Image Reading Apparatus App 20110133399 - Katayama; Hiromasa	2011-06-09
Sheet Conveyance Apparatus, Image Forming Apparatus, And Image Reading Apparatus App 20110127709 - Katayama; Hiromasa	2011-06-02
Sheet Processing Apparatus And Image Forming Apparatus Provided With The Same App 20100252980 - Kushida; Hideki ; et al.	2010-10-07
Sheet conveying apparatus, image forming apparatus, and image reading apparatus Grant 7,798,490 - Tamura , et al. September 21, 2	2010-09-21
Endless belt conveying apparatus and toner image heating apparatus Grant 7,778,583 - Katayama August 17, 2	2010-08-17
Sheet processing apparatus and image forming apparatus provided with the same Grant 7,762,540 - Kushida , et al. July 27, 2	2010-07-27
Image Forming Apparatus App 20100119259 - Katayama; Hiromasa	2010-05-13
Image heating apparatus Grant 7,684,745 - Uchida , et al. March 23, 2	2010-03-23
Sheet processing apparatus and image forming apparatus equipped with the same Grant 7,578,497 - Kawata , et al. August 25, 2	2009-08-25
Image heating apparatus and image forming apparatus with displacing members for displacing other members of the apparatuses Grant 7,546,078 - Okuda , et al. June 9, 2	2009-06-09
Sheet Processing Apparatus And Image Forming Apparatus Provided With The Same App 20090140483 - KUSHIDA; HIDEKI ; et al.	2009-06-04
Sheet processing apparatus and image forming apparatus provided with the same Grant 7,530,560 - Kushida , et al. May 12, 2	2009-05-12
Image Forming Apparatus App 20090074449 - Katayama; Hiromasa	2009-03-19
Image heating apparatus including a retractable pressure belt with deviation control Grant 7,505,725 - Katayama , et al. March 17, 2	2009-03-17
Image Forming Apparatus App 20090067896 - Katayama; Hiromasa	2009-03-12
Image heating apparatus with heat pipe for decreasing unevenness in temperature distribution Grant 7,480,480 - Endo , et al. January 20, 2	2009-01-20
Image Heating Apparatus App 20090003866 - UCHIDA; Hiromitsu ; et al.	2009-01-01
Image forming apparatus Grant 7,468,099 - Katayama December 23, 2	2008-12-23
Sheet Processing Apparatus And Image Forming Apparatus Equipped With The Same App 20080277857 - KAWATA; WATARU ; et al.	2008-11-13
Sheet Conveying Apparatus, Image Forming Apparatus, And Image Reading Apparatus App 20080237979 - Tamura; Ken-ichi ; et al.	2008-10-02
Sheet processing apparatus and image forming apparatus equipped with the same Grant 7,429,037 - Kawata , et al. September 30, 2	2008-09-30
Image heating apparatus Grant 7,424,261 - Uchida , et al. September 9, 2	2008-09-09
Sheet processing apparatus and image forming apparatus equipped with the same Grant 7,410,156 - Ikeda , et al. August 12, 2	2008-08-12
Endless Belt Conveying Apparatus And Toner Image Heating Apparatus App 20080138125 - Katayama; Hiromasa	2008-06-12
Image Forming Apparatus App 20080038008 - Fujita; Takashi ; et al.	2008-02-14
Image forming apparatus including catalyst and active carbon filters Grant 7,313,342 - Katayama , et al. December 25, 2	2007-12-25
Sheet processing apparatus and image forming apparatus equipped with the same Grant 7,288,059 - Ikeda , et al. October 30, 2	2007-10-30
Image Heating Apparatus App 20070212133 - Uchida; Hiromitsu ; et al.	2007-09-13
Sheet Processing Apparatus And Image Forming Apparatus Equipped With The Same App 20070161489 - IKEDA; TARO ; et al.	2007-07-12
Sheet Conveying Apparatus And Image Forming Apparatus App 20070075483 - KATAYAMA; HIROMASA	2007-04-05
Image Heating Apparatus And Image Forming Apparatus App 20070059064 - Okuda; Kazuhisa ; et al.	2007-03-15
Image Heating Apparatus App 20070059061 - Katayama; Hiromasa ; et al.	2007-03-15
Image Heating Apparatus App 20070059062 - Endo; Michiaki ; et al.	2007-03-15
Image forming apparatus App 20060083666 - Katayama; Hiromasa	2006-04-20
Sheet processing apparatus and image forming apparatus provided with the same App 20060017209 - Kushida; Hideki ; et al.	2006-01-26
Sheet processing apparatus and image forming apparatus equipped with the same App 20060017218 - Kawata; Wataru ; et al.	2006-01-26
Sheet processing apparatus and image forming apparatus equipped with the same App 20060019811 - Ikeda; Taro ; et al.	2006-01-26
Image forming apparatus App 20050271414 - Katayama, Hiromasa ; et al.	2005-12-08
Physical property measuring device Grant 5,437,192 - Kawamoto , et al. August 1, 1	1995-08-01