Kawasumi; Masanori

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kawasumi; Masanori.The latest application filed is for "image forming apparatus and printed matter".

Company Profile

0.62.66

Kawasumi; Masanori - Kanagawa JP
Kawasumi; Masanori - Yokohama N/A JP
Kawasumi; Masanori - Yokohama-shi JP
Kawasumi; Masanori - Tokyo JP
Kawasumi; Masanori - Koshigaya JP
Kawasumi; Masanori - Kanagawa-ken JP
Kawasumi, Masanori - Yokohama city JP
Kawasumi; Masanori - Saitama-ken JP
Kawasumi; Masanori - Osaka 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
Image forming apparatus for increase of color toner in a color toner image in a special operation Grant 10,732,542 - Tanaka , et al.	2020-08-04
Image Forming Apparatus And Printed Matter App 20190196363 - TANAKA; Masato ; et al.	2019-06-27
Electrophotographic image forming method and apparatus with a cover film supplying device Grant 8,483,598 - Enoki , et al. July 9, 2	2013-07-09
Image forming apparatus Grant 8,433,216 - Ishikake , et al. April 30, 2	2013-04-30
Charging device, process cartridge, image forming apparatus, and toner Grant 8,428,488 - Mizuishi , et al. April 23, 2	2013-04-23
Image forming apparatus Grant 8,422,897 - Suzuki , et al. April 16, 2	2013-04-16
Image forming apparatus preventing gaps between a conveyor belt and transfer sheet Grant 8,385,793 - Furuya , et al. February 26, 2	2013-02-26
Developer container, developer supplying device, and image forming apparatus Grant 8,195,070 - Hosokawa , et al. June 5, 2	2012-06-05
Charging Device, Process Cartridge, Image Forming Apparatus, And Toner App 20110262179 - MIZUISHI; Haruji ; et al.	2011-10-27
Developer Container, Developer Supplying Device, And Image Forming Apparatus App 20110249991 - Hosokawa; Hiroshi ; et al.	2011-10-13
Lubricant Applying Device, Image Forming Apparatus, Process Unit, And Solid Lubricant App 20110229232 - Kojima; Takeshi ; et al.	2011-09-22
Developer container, developer supplying device, and image forming apparatus Grant 8,005,406 - Hosokawa , et al. August 23, 2	2011-08-23
Charging device, process cartridge, image forming apparatus, and toner Grant 8,000,627 - Mizuishi , et al. August 16, 2	2011-08-16
Image Forming Apparatus App 20110164895 - Ishikake; Satoru ; et al.	2011-07-07
Development device, process cartridge, and image forming apparatus using the development device Grant 7,925,188 - Senoh , et al. April 12, 2	2011-04-12
Image Forming Apparatus App 20110058832 - SUZUKI; Hirokatsu ; et al.	2011-03-10
Developer Container, Developer Supplying Device, And Image Forming Apparatus App 20110026973 - Hosokawa; Hiroshi ; et al.	2011-02-03
Image Forming Apparatus App 20110013950 - FURUYA; Masaharu ; et al.	2011-01-20
Developer container, developer supplying device, and image forming apparatus Grant 7,835,673 - Hosokawa , et al. November 16, 2	2010-11-16
Electrophotographic Image Forming Method And Apparatus App 20100278558 - ENOKI; Shigekazu ; et al.	2010-11-04
Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner Grant 7,826,786 - Suda , et al. November 2, 2	2010-11-02
Developer container, developer supplying device, and image forming apparatus Grant 7,697,870 - Hosokawa , et al. April 13, 2	2010-04-13
Charging device including charging roller and cleaning roller Grant 7,680,429 - Takaya , et al. March 16, 2	2010-03-16
Method and apparatus for image forming and effectively applying lubricant to an image bearing member Grant 7,672,635 - Hozumi , et al. March 2, 2	2010-03-02
Transfer device and image forming apparatus Grant 7,672,605 - Kayahara , et al. March 2, 2	2010-03-02
Method and apparatus for image forming capable of effectively performing a charging process Grant 7,630,659 - Uchitani , et al. December 8, 2	2009-12-08
Conductive member, and charging roller, process cartridge and image forming apparatus using same Grant 7,603,062 - Shimojo , et al. October 13, 2	2009-10-13
Developer Container, Developer Supplying Device, And Image Forming Apparatus App 20090175660 - HOSOKAWA; Hiroshi ; et al.	2009-07-09
Charging member, process cartridge including the same, and image forming apparatus including the same Grant 7,555,243 - Satoh , et al. June 30, 2	2009-06-30
Image forming apparatus and toner Grant 7,539,451 - Kawasumi , et al. May 26, 2	2009-05-26
Developer container, developer supplying device, and image forming apparatus Grant 7,519,317 - Hosokawa , et al. April 14, 2	2009-04-14
Charging Device Including Charging Roller And Cleaning Roller App 20090087213 - Takaya; Muraishi ; et al.	2009-04-02
Cleaning device, process cartridge and image forming apparatus Grant 7,493,075 - Shintani , et al. February 17, 2	2009-02-17
Developer container, developer supplying device, and image forming apparatus Grant 7,480,476 - Hosokawa , et al. January 20, 2	2009-01-20
Method and apparatus for image forming capable of effectively preventing resonance of frequencies Grant 7,477,856 - Yoneda , et al. January 13, 2	2009-01-13
Charged device, cleaning device, process cartridge, toner, and image-forming device that uses these Grant 7,477,862 - Takaya , et al. January 13, 2	2009-01-13
Developer Container, Developer Supplying Device, And Image Forming Apparatus App 20080286013 - Hosokawa; Hiroshi ; et al.	2008-11-20
Image forming apparatus and process cartridge having a detachable unit body having a lubricant applying unit and image carrier mounted thereon Grant 7,430,377 - Koike , et al. September 30, 2	2008-09-30
Development Device, Process Cartridge, And Image Forming Apparatus Using The Development Device App 20080226311 - Senoh; Tetsuya ; et al.	2008-09-18
Method And Apparatus For Image Forming And Effectively Applying Lubricant To An Image Bearing Member App 20080175635 - Hozumi; Yoshiki ; et al.	2008-07-24
Image forming apparatus and process cartridge with a cleaner for removing toner from an image bearing member Grant 7,400,844 - Murakami , et al. July 15, 2	2008-07-15
Image forming apparatus using a toner container and a process cartridge Grant 7,398,038 - Tsuda , et al. July 8, 2	2008-07-08
Imaging apparatus, and toner and process cartridge used in the imaging apparatus Grant 7,386,257 - Koike , et al. June 10, 2	2008-06-10
Method and apparatus for image forming and effectively applying lubricant to an image bearing member Grant 7,373,101 - Hozumi , et al. May 13, 2	2008-05-13
Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltage Grant 7,333,744 - Shimojo , et al. February 19, 2	2008-02-19
Developer container, developer supplying device, and image forming apparatus Grant 7,321,744 - Hosokawa , et al. January 22, 2	2008-01-22
Charging Member, Process Cartridge Including The Same, And Image Forming Apparatus Including The Same App 20080008499 - Satoh; Masahiko ; et al.	2008-01-10
Developer Container, Developer Supplying Device, And Image Forming Apparatus App 20080003021 - Hosokawa; Hiroshi ; et al.	2008-01-03
Cleaning device, process cartridge, image forming apparatus and toner Grant 7,313,347 - Shintani , et al. December 25, 2	2007-12-25
Transfer Device And Image Forming Apparatus App 20070286628 - KAYAHARA; Shin ; et al.	2007-12-13
Image forming apparatus having a temporary toner holding device and a toner collecting device Grant 7,295,796 - Murakami , et al. November 13, 2	2007-11-13
Method and apparatus for electrophotographic image forming capable of effectively removing residual toner, a cleaning mechanism used therein, a process cartridge including the cleaning mechanism used in the apparatus, and toner used in the apparatus Grant 7,292,816 - Ojimi , et al. November 6, 2	2007-11-06
Cleaning unit and image forming apparatus having multiple cleaning blades Grant 7,272,354 - Murakami , et al. September 18, 2	2007-09-18
Charging device, and process cartridge and image forming apparatus using the charging device Grant 7,266,324 - Yanagida , et al. September 4, 2	2007-09-04
Charging Device, Process Cartridge, Image Forming Apparatus, And Toner App 20070196123 - Mizuishi; Haruji ; et al.	2007-08-23
Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner App 20070183824 - Suda; Takeo ; et al.	2007-08-09
Developer container, developer supplying device, and image forming apparatus App 20070177905 - Hosokawa; Hiroshi ; et al.	2007-08-02
Image Forming Apparatus And Process Cartridge Removably Mounted Thereto App 20070166074 - Hosokawa; Hiroshi ; et al.	2007-07-19
Cleaning Device, Process Cartridge, Image Forming Apparatus And Toner App 20070154246 - Shintani; Takeshi ; et al.	2007-07-05
Cleaning device for cleaning a surface of an image support body Grant 7,228,099 - Shintani , et al. June 5, 2	2007-06-05
Image Forming Apparatus & Associated Method Of Applying A Lubricant App 20070122217 - Nagashima; Hiroyuki ; et al.	2007-05-31
Charging device, and process cartridge and image forming apparatus including the charging device using the same Grant 7,218,877 - Yanagida , et al. May 15, 2	2007-05-15
Image forming apparatus and process cartridge removably mounted thereto Grant 7,212,767 - Hosokawa , et al. May 1, 2	2007-05-01
Conductive member, and charging roller, process cartridge and image forming apparatus using same App 20070065178 - Shimojo; Eiji ; et al.	2007-03-22
Cleaning unit, process cartridge, image forming apparatus, and toner App 20070036595 - Amemiya; Ken ; et al.	2007-02-15
Charging device, and process cartridge and image forming apparatus using the charging device App 20070014588 - Yanagida; Masato ; et al.	2007-01-18
Program management apparatus, program management system, and program management method App 20070006216 - Nakane; Rintaro ; et al.	2007-01-04
Cleaning unit, process cartridge, image forming apparatus, and toner Grant 7,149,465 - Amemiya , et al. December 12, 2	2006-12-12
Charging device, and process cartridge and image forming apparatus using the charging device Grant 7,139,504 - Yanagida , et al. November 21, 2	2006-11-21
Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself Grant 7,136,610 - Arai , et al. November 14, 2	2006-11-14
Method and apparatus for image forming capable of effectively performing a charging process App 20060251438 - Uchitani; Takeshi ; et al.	2006-11-09
Method and apparatus for image forming capable of removing residual toner without using a toner cleaning system, process cartridge for use in the apparatus and toner used for the image forming Grant 7,130,564 - Murakami , et al. October 31, 2	2006-10-31
Cleaning unit, process cartridge, image forming apparatus, and toner App 20060216085 - Murakami; Eisaku ; et al.	2006-09-28
Cleaning unit, process cartridge, and image forming apparatus Grant 7,110,696 - Murakami , et al. September 19, 2	2006-09-19
Method and apparatus for image forming and effectively applying lubricant to an image bearing member App 20060194662 - Hozumi; Yoshiki ; et al.	2006-08-31
Program management apparatus, program management system, and program management method Grant 7,100,158 - Nakane , et al. August 29, 2	2006-08-29
Imaging apparatus, and toner and process cartridge used in the imaging apparatus App 20060177239 - Koike; Toshio ; et al.	2006-08-10
Cleaning unit, process cartridge, and image forming apparatus Grant 7,085,528 - Shintani , et al. August 1, 2	2006-08-01
Charging device, and process cartridge and image forming apparatus including the charging device using the same App 20060165431 - Yanagida; Masato ; et al.	2006-07-27
Powder conveying device and image forming apparatus using the same Grant 7,076,192 - Tsuda , et al. July 11, 2	2006-07-11
Image forming apparatus App 20060133837 - Shimojo; Eiji ; et al.	2006-06-22
Method and apparatus for image forming capable of effectively preventing resonance of frequencies App 20060133834 - Yoneda; Takuzi ; et al.	2006-06-22
Cleaning unit, process cartridge, image forming apparatus, and toner Grant 7,065,316 - Yanagida , et al. June 20, 2	2006-06-20
Charging device, and process cartridge and image forming apparatus including the charging device Grant 7,062,194 - Yanagida , et al. June 13, 2	2006-06-13
Electrophotographic image forming apparatus, and toner, process cartridge and image forming method therefor App 20060115286 - Uchitani; Takeshi ; et al.	2006-06-01
Imaging apparatus, and toner and process cartridge used in the imaging apparatus Grant 7,050,741 - Koike , et al. May 23, 2	2006-05-23
Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself Grant 7,024,133 - Nagashima , et al. April 4, 2	2006-04-04
Image forming apparatus and toner App 20060062594 - Kawasumi; Masanori ; et al.	2006-03-23
Cleaning device, process cartridge, image forming apparatus and toner App 20060039726 - Shintani; Takeshi ; et al.	2006-02-23
Image forming apparatus and process cartridge Grant 7,003,255 - Kawasumi , et al. February 21, 2	2006-02-21
Charging apparatus, and image forming apparatus equipped with same App 20050271420 - Arai, Yuji ; et al.	2005-12-08
Image forming apparatus, process cartridge, lubrication method, and toner App 20050232665 - Toshio, Koike ; et al.	2005-10-20
Method and apparatus for electrophotographic image forming capable of effectively removing residual toner, a cleaning mechanism used therein, a process cartridge including the cleaning mechanism used in the apparatus, and toner used in the apparatus App 20050232666 - Ojimi, Tokuya ; et al.	2005-10-20
Image forming apparatus using a toner container and a process cartridge App 20050226656 - Tsuda, Kiyonori ; et al.	2005-10-13
Method and apparatus for electrophotographic image forming capable of using a toner enhancing image quality and cleanability, and the toner used in the image forming App 20050191574 - Koike, Toshio ; et al.	2005-09-01
Charged device, cleaning device, process cartridge, toner, and image-forming device that uses these App 20050191081 - Muraishi, Takaya ; et al.	2005-09-01
Lubricant for electrophotography, lubricant applying unit, process cartridge, and image forming apparatus App 20050164108 - Murakami, Eisaku ; et al.	2005-07-28
Image forming apparatus, process cartridge, and toner App 20050084271 - Koike, Toshio ; et al.	2005-04-21
Cleaning unit, process cartridge, image forming apparatus, and toner App 20050074264 - Amemiya, Ken ; et al.	2005-04-07
Method and apparatus for image forming capable of removing residual toner without using a toner cleaning system, process cartridge for use in the apparatus and toner used for the image forming App 20050036805 - Murakami, Eisaku ; et al.	2005-02-17
Image forming apparatus and process cartridge App 20050025520 - Murakami, Eisaku ; et al.	2005-02-03
Cleaning device, process cartridge, image forming apparatus and toner App 20050002705 - Shintani, Takeshi ; et al.	2005-01-06
Charging device, and process cartridge and image forming apparatus including the charging device App 20040228648 - Yanagida, Masato ; et al.	2004-11-18
Developer container, developer supplying device, and image forming apparatus App 20040223790 - Hosokawa, Hiroshi ; et al.	2004-11-11
Charging device, and process cartridge and image forming apparatus using the charging device App 20040213597 - Yanagida, Masato ; et al.	2004-10-28
Image forming apparatus Grant 6,807,390 - Suda , et al. October 19, 2	2004-10-19
Computer assisted learning system, storage server used for computer assisted learning system and computer readable media recording program used in storage server Grant 6,807,395 - Iwazaki , et al. October 19, 2	2004-10-19
Imaging apparatus, and toner and process cartridge used in the imaging apparatus App 20040202495 - Koike, Toshio ; et al.	2004-10-14
Powder conveying device and image forming apparatus using the same App 20040184841 - Tsuda, Kiyonori ; et al.	2004-09-23
Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself App 20040170446 - Nagashima, Hiroyuki ; et al.	2004-09-02
Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself App 20040170447 - Arai, Yuji ; et al.	2004-09-02
Cleaning unit, process cartridge, and image forming apparatus App 20040170455 - Shintani, Takeshi ; et al.	2004-09-02
Cleaning unit, process cartridge, image forming apparatus, and toner App 20040141779 - Yanagida, Masato ; et al.	2004-07-22
Cleaning unit, process cartridge, image forming apparatus, and toner App 20040136763 - Murakami, Eisaku ; et al.	2004-07-15
Image forming apparatus and process cartridge App 20040131381 - Kawasumi, Masanori ; et al.	2004-07-08
Image forming apparatus and process cartridge removably mounted thereto App 20040096239 - Hosokawa, Hiroshi ; et al.	2004-05-20
Image forming apparatus App 20030215259 - Suda, Takeo ; et al.	2003-11-20
Program management apparatus, program management system, and program management method App 20030204841 - Nakane, Rintaro ; et al.	2003-10-30
Output terminal management server and output terminal function setting method App 20030076531 - Kawasumi, Masanori ; et al.	2003-04-24
Computer assisted learning system, storage server used for computer assisted learning system and computer readable media recording program used in storage server App 20020172925 - Iwazaki, Ryuji ; et al.	2002-11-21
High molecular electret film Grant 5,543,224 - Sakai , et al. August 6, 1	1996-08-06