Handa; Osamu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Handa; Osamu.The latest application filed is for "image forming apparatus".

Company Profile

0.20.18

Handa; Osamu - Kanagawa JP
Handa; Osamu - Ebina JP
HANDA; Osamu - Ebina-shi JP
Handa; Osamu - Tsukuba JP
Handa; Osamu - Tokyo JP
Handa, Osamu - Tsukuba-shi 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 Grant 11,143,990 - Handa October 12, 2	2021-10-12
Image Forming Apparatus App 20210072672 - Handa; Osamu	2021-03-11
Image forming system including a first transfer unit and a second transfer unit having a total resistance larger than that of the first transfer unit Grant 10,705,447 - Handa	2020-07-07
Image forming apparatus Grant 9,904,201 - Handa February 27, 2	2018-02-27
Image Forming Apparatus App 20170212445 - HANDA; Osamu	2017-07-27
Cleaning device, charging device, and image forming apparatus Grant 8,346,119 - Ishikawa , et al. January 1, 2	2013-01-01
Electrostatic charging apparatus, and image forming assembly and image forming apparatus which employ the same Grant 8,185,000 - Aoshima , et al. May 22, 2	2012-05-22
Charge device, image formation assembly using the same, and image formation apparatus Grant 8,126,368 - Aoshima , et al. February 28, 2	2012-02-28
Image forming apparatus with variable amplitude alternating current to mitigate image defects and photoconductor wear Grant 8,126,344 - Handa , et al. February 28, 2	2012-02-28
Cleaning Device, Charging Device, And Image Forming Apparatus App 20110142485 - ISHIKAWA; Takatoshi ; et al.	2011-06-16
Cleaning device, process cartridge and image formation apparatus Grant 7,899,354 - Handa , et al. March 1, 2	2011-03-01
Image formation apparatus and charging control method of charging roll Grant 7,764,888 - Hagiwara , et al. July 27, 2	2010-07-27
Image forming apparatus, charger, and image carrier unit Grant 7,729,638 - Katahira , et al. June 1, 2	2010-06-01
Charge Device, Image Formation Assembly Using The Same, And Image Formation Apparatus App 20100074652 - Aoshima; Taku ; et al.	2010-03-25
Electrostatic Charging Apparatus, And Image Forming Assembly And Image Forming Apparatus Which Employ The Same App 20090274474 - Aoshima; Taku ; et al.	2009-11-05
Image Forming Apparatus App 20090269092 - HANDA; Osamu ; et al.	2009-10-29
Image forming apparatus and charge control method Grant 7,532,832 - Hagiwara , et al. May 12, 2	2009-05-12
Image forming device having charging roller and cleaning member Grant 7,529,498 - Kitagawa , et al. May 5, 2	2009-05-05
Image forming device, charging device and cleaning device Grant 7,454,154 - Matsumoto , et al. November 18, 2	2008-11-18
Semiconductor memory device equipped with error correction circuit Grant 7,426,683 - Takahashi , et al. September 16, 2	2008-09-16
Image forming apparatus, charger, and image carrier unit App 20080181666 - Katahira; Masahiro ; et al.	2008-07-31
Cleaning device, process cartridge and image formation apparatus App 20080075499 - Handa; Osamu ; et al.	2008-03-27
Image formation apparatus and charging control method of charging roll App 20070189787 - Hagiwara; Takuro ; et al.	2007-08-16
Image forming apparatus and charge control method App 20070189788 - Hagiwara; Takuro ; et al.	2007-08-16
Image forming device, charging device and cleaning device App 20070116490 - Matsumoto; Mitsuhiro ; et al.	2007-05-24
Image forming device App 20070098435 - Kitagawa; Yusuke ; et al.	2007-05-03
Semiconductor memory device equipped with error correction circuit Grant 7,069,493 - Takahashi , et al. June 27, 2	2006-06-27
Ferroelectric memory Grant 7,050,323 - Takahashi , et al. May 23, 2	2006-05-23
Semiconductor memory device equipped with error correction circuit App 20050229080 - Takahashi, Hiroshi ; et al.	2005-10-13
Ferroelectric memory App 20050030782 - Takahashi, Hiroshi ; et al.	2005-02-10
Ferroelectric memory Grant 6,778,422 - Takahashi , et al. August 17, 2	2004-08-17
High speed semiconductor circuit having low power consumption Grant 6,741,098 - Takahashi , et al. May 25, 2	2004-05-25
Ferroelectric memory App 20040042247 - Takahashi, Hiroshi ; et al.	2004-03-04
Semiconductor integrated circuit Grant 6,603,328 - Takahashi , et al. August 5, 2	2003-08-05
Semiconductor memory device equipped with error correction circuit App 20030086306 - Takahashi, Hiroshi ; et al.	2003-05-08
Semiconductor integrated circuit App 20030067318 - Takahashi, Hiroshi ; et al.	2003-04-10
High speed semiconductor circuit having low power consumption App 20020190752 - Takahashi, Hiroshi ; et al.	2002-12-19
Transfer apparatus for an image forming apparatus Grant 5,742,888 - Fuchiwaki , et al. April 21, 1	1998-04-21

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