Iwamoto; Yasuaki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Iwamoto; Yasuaki.The latest application filed is for "toner, toner storage unit, and image forming apparatus".

Company Profile

2.57.55

Iwamoto; Yasuaki - Shizuoka JP
Iwamoto; Yasuaki - Numazu JP
Iwamoto; Yasuaki - Numazu-shi JP
Iwamoto; Yasuaki - Shizuoka-ken JP
Iwamoto; Yasuaki - Ohta-ku JP
Iwamoto, Yasuaki - 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
Toner, Toner Storage Unit, And Image Forming Apparatus App 20200026210 - HIRAI; Yu ; et al.	2020-01-23
Toner and method for producing toner Grant 9,625,848 - Suzuki , et al. April 18, 2	2017-04-18
Black Toner For Developing Latent Electrostatic Image And Method For Producing The Same App 20150030976 - Yokokawa; Kei ; et al.	2015-01-29
Electrostatic image developing toner Grant 8,835,086 - Watanabe , et al. September 16, 2	2014-09-16
Toner And Method For Producing Toner App 20140072911 - SUZUKI; Yousuke ; et al.	2014-03-13
Image forming method, image forming apparatus, and toner Grant 8,377,618 - Shu , et al. February 19, 2	2013-02-19
Electrostatic Image Developing Toner App 20120264043 - Watanabe; Naohiro ; et al.	2012-10-18
Toner, developer, and image forming method Grant 8,084,176 - Iwamoto , et al. December 27, 2	2011-12-27
Toner, Developer, Toner Container, Process Cartridge And Image Forming Apparatus App 20110255899 - Iwamoto; Yasuaki ; et al.	2011-10-20
Method for manufacturing toner and toner Grant 8,034,526 - Watanabe , et al. October 11, 2	2011-10-11
Image forming apparatus, toner, and process cartridge Grant 8,012,659 - Shu , et al. September 6, 2	2011-09-06
Toner, image forming apparatus using the same, image forming method using the same, and process cartridge Grant 8,007,974 - Nakayama , et al. August 30, 2	2011-08-30
Electrophotographic Image Forming Method And Apparatus App 20110091245 - SHITARA; Yasutada ; et al.	2011-04-21
Electrophotographic image forming method Grant 7,901,861 - Shitara , et al. March 8, 2	2011-03-08
Image forming apparatus, image forming method and process cartridge Grant 7,892,718 - Iwamoto , et al. February 22, 2	2011-02-22
Toner, Method For Producing The Same, And Process Cartridge App 20110033794 - WATANABE; Naohiro ; et al.	2011-02-10
Image forming apparatus, image forming method, and process cartridge Grant 7,873,304 - Iwamoto , et al. January 18, 2	2011-01-18
Toner and developer, and image forming apparatus, image forming method and process cartridge Grant 7,862,973 - Nakayama , et al. January 4, 2	2011-01-04
Toner, developer, image developer and image forming apparatus Grant 7,749,674 - Sugiura , et al. July 6, 2	2010-07-06
Image forming apparatus, image forming method, and process cartridge Grant 7,718,340 - Iwamoto , et al. May 18, 2	2010-05-18
Image forming apparatus, image forming method and process cartridge Grant 7,713,672 - Watanabe , et al. May 11, 2	2010-05-11
Toner, developer, image forming apparatus and image forming method Grant 7,642,032 - Sugiura , et al. January 5, 2	2010-01-05
Toner, Developer, And Image Forming Method App 20090297973 - Iwamoto; Yasuaki ; et al.	2009-12-03
Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method Grant 7,566,521 - Kotsugai , et al. July 28, 2	2009-07-28
Image Forming Apparatus, Image Forming Method, And Process Cartridge App 20090175658 - Iwamoto; Yasuaki ; et al.	2009-07-09
Image Forming Apparatus, Toner, And Process Cartridge App 20090155706 - Shu; Hyo ; et al.	2009-06-18
Toner, and developer, image developer and image forming apparatus using the toner Grant 7,547,497 - Uchinokura , et al. June 16, 2	2009-06-16
Electrophotographic Image Forming Method And Apparatus App 20090142677 - SHITARA; Yasutada ; et al.	2009-06-04
Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method Grant 7,521,164 - Nakayama , et al. April 21, 2	2009-04-21
Image Forming Method, Image Forming Apparatus, And Toner App 20090075195 - SHU; Hyo ; et al.	2009-03-19
Toner, And, Developer, Toner Container, Process Cartridge, Image Forming Apparatus And Image Forming Method App 20080268366 - Nakayama; Shinya ; et al.	2008-10-30
Image forming method using toner Grant 7,442,484 - Uchinokura , et al. October 28, 2	2008-10-28
Toner, Image Forming Apparatus Using The Same, Image Forming Method Using The Same, And Process Cartridge App 20080261131 - NAKAYAMA; Shinya ; et al.	2008-10-23
External additives for electrophotographic toner, electrophotographic toner, electrophotographic developer, image forming method and image forming apparatus Grant 7,413,838 - Sugiura , et al. August 19, 2	2008-08-19
Resin particle and process of producing the same Grant 7,405,000 - Takikawa , et al. July 29, 2	2008-07-29
Toner And Developer, And Image Forming Apparatus, Image Forming Method And Process Cartridge App 20080118855 - Nakayama; Shinya ; et al.	2008-05-22
Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method Grant 7,374,851 - Nakayama , et al. May 20, 2	2008-05-20
Toner for developing electrostatic image, developer, image forming apparatus, process for forming image, process cartridge and process for measuring porosity of toner Grant 7,368,212 - Sugiura , et al. May 6, 2	2008-05-06
Method For Manufacturing Toner And Toner App 20080063971 - WATANABE; Yohichiroh ; et al.	2008-03-13
Toner, Developer, Toner Container, Process Cartridge, Image Forming Apparatus, And Image Forming Method App 20080014527 - Kotsugai; Akihiro ; et al.	2008-01-17
Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method Grant 7,318,989 - Kotsugai , et al. January 15, 2	2008-01-15
Image Forming Apparatus, Image Forming Method, And Process Cartridge App 20070281237 - IWAMOTO; Yasuaki ; et al.	2007-12-06
Image Forming Apparatus, Image Forming Method And Process Cartridge App 20070281236 - WATANABE; Yohichiroh ; et al.	2007-12-06
Toner, Developer, Image Developer And Image Forming Apparatus App 20070275318 - Sugiura; Hideki ; et al.	2007-11-29
Toner, developer, image developer and image forming apparatus Grant 7,288,353 - Sugiura , et al. October 30, 2	2007-10-30
Image Forming Apparatus, Image Forming Method And Process Cartridge App 20070248380 - IWAMOTO; Yasuaki ; et al.	2007-10-25
Toner for developing electrostatic images, developer, image forming method, and image forming apparatus Grant 7,261,989 - Sugiura , et al. August 28, 2	2007-08-28
Toner for electrophotography and image forming apparatus Grant 7,258,959 - Nakayama , et al. August 21, 2	2007-08-21
Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method App 20070031748 - Kotsugai; Akihiro ; et al.	2007-02-08
Toner for electrophotography, and image forming process, process cartridge and image forming apparatus using the same Grant 7,172,844 - Umemura , et al. February 6, 2	2007-02-06
Toner, developer, image forming apparatus, process cartridge and image forming process Grant 7,169,525 - Sugiura , et al. January 30, 2	2007-01-30
Toner, developer, image developing apparatus, and image forming apparatus Grant 7,166,403 - Ichikawa , et al. January 23, 2	2007-01-23
Toner for developing electrostatic image, developer, process for forming image, and image forming apparatus Grant 7,163,773 - Sugiura , et al. January 16, 2	2007-01-16
Toner for developing electrostatic images, developer, image forming method, and image forming apparatus App 20060240351 - Sugiura; Hideki ; et al.	2006-10-26
Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method App 20060204883 - Nakayama; Shinya ; et al.	2006-09-14
Resin particle and process of producing the same App 20060165989 - Takikawa; Tadao ; et al.	2006-07-27
Electrographic image formation method Grant 7,029,816 - Sasaki , et al. April 18, 2	2006-04-18
Electrophotography and image forming apparatus App 20060068313 - Nakayama; Shinya ; et al.	2006-03-30
Toner, developer, image forming apparatus, process cartridge and image forming process App 20060040194 - Sugiura; Hideki ; et al.	2006-02-23
Toner, developer, image developing apparatus, and image forming apparatus App 20050255399 - Ichikawa, Tomoyuki ; et al.	2005-11-17
Toner, and developer, image developer and image forming apparatus using the toner App 20050208408 - Uchinokura, Osamu ; et al.	2005-09-22
Toner for forming color image, image forming apparatus, and toner container Grant 6,946,229 - Suzuki , et al. September 20, 2	2005-09-20
Toner, developer, image developer and image forming apparatus App 20050191575 - Sugiura, Hideki ; et al.	2005-09-01
Toner, method for manufacturing the toner, and image forming method and apparatus using the toner Grant 6,911,289 - Higuchi , et al. June 28, 2	2005-06-28
Toner, developer, image forming apparatus and image forming method App 20050089786 - Sugiura, Hideki ; et al.	2005-04-28
Image forming method using toner App 20050089787 - Uchinokura, Osamu ; et al.	2005-04-28
Image forming apparatus and method of developing an electrostatic latent image Grant 6,856,781 - Matsuda , et al. February 15, 2	2005-02-15
Toner for developing electrostatic image, developer, image forming apparatus, process for forming image, process cartridge, and process for measuring porosity of toner App 20050026064 - Sugiura, Hideki ; et al.	2005-02-03
Toner, developer and image forming method using the toner Grant 6,835,517 - Kondo , et al. December 28, 2	2004-12-28
Toner for electrophotography, and image forming process, process cartridge and image forming apparatus using the same App 20040229143 - Umemura, Kazuhiko ; et al.	2004-11-18
Electrographic image formation method App 20040224247 - Sasaki, Fumihiro ; et al.	2004-11-11
Toner, method for manufacturing the toner, and image forming method and apparatus using the toner Grant 6,813,461 - Higuchi , et al. November 2, 2	2004-11-02
Toner, method for manufacturing the toner, and image forming method and apparatus using the toner Grant 6,811,944 - Higuchi , et al. November 2, 2	2004-11-02
Two-component developer, image forming apparatus, and image forming method Grant 6,790,575 - Sasaki , et al. September 14, 2	2004-09-14
Toner, method for manufacturing the toner, and image forming method and apparatus using the toner App 20040166428 - Higuchi, Hiroto ; et al.	2004-08-26
Toner, method for manufacturing the toner, and image forming method and apparatus using the toner App 20040166429 - Higuchi, Hiroto ; et al.	2004-08-26
Toner for forming color image, image forming apparatus, and toner container App 20040121256 - Suzuki, Masanori ; et al.	2004-06-24
Toner for developing electrostatic image, developer, process for forming image, and image forming apparatus App 20040115550 - Sugiura, Hideki ; et al.	2004-06-17
Image forming toner, and image forming method and image forming apparatus using the toner Grant 6,699,632 - Higuchi , et al. March 2, 2	2004-03-02
Image forming method and apparatus Grant 6,667,141 - Iwamoto , et al. December 23, 2	2003-12-23
External additives for electrophotographic toner, electrophotographic toner, electrophotographic developer, image forming method and image forming apparatus App 20030190543 - Sugiura, Hideki ; et al.	2003-10-09
Toner, developer, image-forming method and image-forming device App 20030152857 - Sugiura, Hideki ; et al.	2003-08-14
Two-component developer, and image forming apparatus and image forming method using the developer Grant 6,593,048 - Sasaki , et al. July 15, 2	2003-07-15
Toner, developer and image forming method using the toner App 20030082472 - Kondo, Maiko ; et al.	2003-05-01
Two-component developer, image forming apparatus, and image forming method App 20030073021 - Sasaki, Fumihiro ; et al.	2003-04-17
Two-component developer, container filled with the two-component developer, and image formation apparatus Grant 6,544,704 - Matsuda , et al. April 8, 2	2003-04-08
Process for the production of toner for developing electrostatic image Grant 6,503,681 - Makino , et al. January 7, 2	2003-01-07
Image forming apparatus using two-component toner App 20020159797 - Matsuda, Hiroaki ; et al.	2002-10-31
Image forming method and apparatus App 20020155368 - Iwamoto, Yasuaki ; et al.	2002-10-24
Image forming toner, and image forming method and image forming apparatus using the toner App 20020102486 - Higuchi, Hiroto ; et al.	2002-08-01
Two-component developer, and image forming apparatus and image forming method using the developer App 20020090562 - Sasaki, Fumihiro ; et al.	2002-07-11
Toner, method for manufacturing the toner, and image forming method and apparatus using the toner App 20020081513 - Higuchi, Hiroto ; et al.	2002-06-27
Method of producing toner for developing latent electrostatic images Grant 6,368,765 - Izu , et al. April 9, 2	2002-04-09
Electrophotographic image formation method App 20020039698 - Sasaki, Fumihiro ; et al.	2002-04-04
Two-component developer, container filled with the two-component developer, and image formation apparatus App 20020006567 - Matsuda, Hiroaki ; et al.	2002-01-17
Electrophotographic toner and image forming method using the toner Grant 6,303,257 - Hasegawa , et al. October 16, 2	2001-10-16
Method of producing toner for developing latent electrostatic images App 20010010888 - Izu, Mitsuyoshi ; et al.	2001-08-02
Two-component developer, two-component developer holding container, and electrophotographic image formation apparatus equipped with the container Grant 6,258,502 - Nakamura , et al. July 10, 2	2001-07-10
Process for the production of toner for developing electrostatic image App 20010006197 - Makino, Nobuyasu ; et al.	2001-07-05
Toner and two-component developer for electrophotographic process and image formation method and image formation apparatus using the toner Grant 6,183,926 - Kuroda , et al. February 6, 2	2001-02-06
Color toner comprising two binder resins of differing softening point Grant 5,840,456 - Tomita , et al. November 24, 1	1998-11-24
Toner for developing latent electrostatic images Grant 5,514,511 - Iwamoto , et al. May 7, 1	1996-05-07
Negatively chargeable toner for developing latent electrostatic images Grant 5,314,777 - Watanabe , et al. May 24, 1	1994-05-24
Dry-type toner including waxes release agent for electrophotography Grant 5,225,303 - Tomita , et al. July 6, 1	1993-07-06
Dry type developer for electrophotography Grant 4,980,258 - Aoki , et al. December 25, 1	1990-12-25
Triboelectric charge application member for toner Grant 4,841,331 - Nakayama , et al. June 20, 1	1989-06-20