Tokumasu; Takahiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tokumasu; Takahiko.The latest application filed is for "image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged".

Company Profile

0.18.16

Tokumasu; Takahiko - Atsugi JP
Tokumasu; Takahiko - Tokyo JP
Tokumasu; Takahiko - Ota-ku JP
Tokumasu; Takahiko - Atsugi-shi JP
Tokumasu; Takahiko - Atsugi City JP
Tokumasu, Takahiko - Kanagawa 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, image forming method, and process cartridge Grant 7,593,682 - Tokumasu , et al. September 22, 2	2009-09-22
Lubricant applying unit, process cartridge, image forming apparatus, and image forming method Grant 7,505,728 - Yamaguchi , et al. March 17, 2	2009-03-17
Lubricant applying unit and image forming apparatus Grant 7,496,324 - Sugiura , et al. February 24, 2	2009-02-24
Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged Grant 7,383,013 - Watanabe , et al. June 3, 2	2008-06-03
Image forming apparatus and process cartridge Grant 7,295,788 - Nakai , et al. November 13, 2	2007-11-13
Image Forming Apparatus Using A Contact Or A Proximity Type Of Charging System Including A Protection Substance On A Moveable Body To Be Charged App 20070242992 - Watanabe; Kazuhiko ; et al.	2007-10-18
Image formation apparatus having a body to be charged with specified properties and including the use of a protective material Grant 7,251,437 - Tamoto , et al. July 31, 2	2007-07-31
Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged Grant 7,251,438 - Watanabe , et al. July 31, 2	2007-07-31
Lubricant Applying Unit, Process Cartridge, Image Forming Apparatus, And Image Forming Method App 20070166087 - YAMAGUCHI; Daichi ; et al.	2007-07-19
Lubricant applying unit, process cartridge, image forming apparatus, and image forming method Grant 7,209,699 - Yamaguchi , et al. April 24, 2	2007-04-24
Charging device, image forming process cartridge, and image forming apparatus including the charging device Grant 7,113,726 - Tokumasu , et al. September 26, 2	2006-09-26
Image forming apparatus, image forming method, and process cartridge App 20060210334 - Tokumasu; Takahiko ; et al.	2006-09-21
Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged App 20060204259 - Watanabe; Kazuhiko ; et al.	2006-09-14
Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged Grant 7,103,301 - Watanabe , et al. September 5, 2	2006-09-05
Lubricant applying unit and image forming apparatus App 20060133872 - Sugiura; Kenji ; et al.	2006-06-22
Process cartridge and image forming apparatus with toner fed cleaning mode Grant 7,058,335 - Sugiura , et al. June 6, 2	2006-06-06
Charging device, image forming process cartridge, and image forming apparatus including the charging device App 20060039719 - Tokumasu; Takahiko ; et al.	2006-02-23
Cleaning device and image forming apparatus using the cleaning device Grant 6,987,944 - Shakuto , et al. January 17, 2	2006-01-17
Image forming apparatus and process cartridge App 20050244176 - Nakai, Hiroshi ; et al.	2005-11-03
Image formation apparatus and process cartridge for image formation apparatus App 20050196193 - Tamoto, Nozomu ; et al.	2005-09-08
Lubricant applying unit, process cartridge, image forming apparatus, and image forming method App 20050191099 - Yamaguchi, Daichi ; et al.	2005-09-01
Image forming apparatus using a contact or a proximity type of charging system App 20040213600 - Watanabe, Kazuhiko ; et al.	2004-10-28
Charging device, image forming unit and image forming device Grant 6,721,523 - Sugiura , et al. April 13, 2	2004-04-13
Charging device, body to be charged and image forming apparatus using the same App 20040042823 - Sugiura, Kenji ; et al.	2004-03-04
Charging device, image forming unit and image forming device App 20030072587 - Sugiura, Kenji ; et al.	2003-04-17
Image forming apparatus having a diamond-like structure surface protection layer on a photoconductive layer App 20030049050 - Shakuto, Masahiko ; et al.	2003-03-13
Cleaning device and image forming apparatus using the cleaning device App 20030039494 - Shakuto, Masahiko ; et al.	2003-02-27
Image forming apparatus App 20020090229 - Shakuto, Masahiko ; et al.	2002-07-11
Image forming apparatus App 20020081128 - Shakuto, Masahiko ; et al.	2002-06-27
Image forming apparatus including preselected range between charge injection layer and voltage potential Grant 6,366,751 - Shakuto , et al. April 2, 2	2002-04-02
Method and apparatus for forming a powder image Grant 5,955,228 - Sakai , et al. September 21, 1	1999-09-21
Thermal recording method using drive signal pulse widths changed at time intervals within thermal head temperature measuring time intervals Grant 5,208,607 - Ohashi , et al. May 4, 1	1993-05-04
Communication apparatus having driving mechanism and speaker-phone Grant 5,040,206 - Tokumasu , et al. August 13, 1	1991-08-13
Transfer-type thermal printer Grant 4,614,949 - Hakkaku , et al. September 30, 1	1986-09-30

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