Matsumoto; Keiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for Matsumoto; Keiko.The latest application filed is for "method for identifying generation sources of fine particulates in atmosphere".

Company Profile

1.32.38

Matsumoto; Keiko - Kyoto JP
Matsumoto; Keiko - Tokyo JP
Matsumoto; Keiko - Kanagawa N/A JP
Matsumoto; Keiko - Ibaraki-shi JP
Matsumoto; Keiko - Yokohama JP
Matsumoto; Keiko - Niigata JP
MATSUMOTO; Keiko - Yokohama-shi JP
Matsumoto; Keiko - Susono JP
MATSUMOTO; Keiko - Yokohama city JP
Matsumoto; Keiko - Susono-shi JP
Matsumoto; Keiko - Shizuoka 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
Supercritical fluid chromatograph and supercritical fluid chromatography analysis method Grant 11,435,327 - Matsumoto September 6, 2	2022-09-06
Method For Identifying Generation Sources Of Fine Particulates In Atmosphere App 20220214283 - HAYAKAWA; Kazuichi ; et al.	2022-07-07
Biological Membrane Phosphoinositide Separation Method App 20210310999 - MATSUMOTO; Keiko ; et al.	2021-10-07
Supercritical Fluid Chromatograph And Supercritical Fluid Chromatography Analysis Method App 20200232952 - MATSUMOTO; Keiko	2020-07-23
Loop injection mechanism Grant 10,564,654 - Matsumoto Feb	2020-02-18
Orthogonal separation device and orthogonal separation method Grant 10,459,071 - Tokieda , et al. Oc	2019-10-29
Loop Injection Mechanism App 20180267511 - Matsumoto; Keiko	2018-09-20
Image forming apparatus incorporating image reader Grant 9,857,745 - Matsue , et al. January 2, 2	2018-01-02
Orthogonal Separation Device And Orthogonal Separation App 20170254879 - TOKIEDA, I; Yukinobu ; et al.	2017-09-07
Image Density Detector, Image Forming Apparatus Incorporating Image Density Detector, Image Density Detecting Method, And Image Forming Method App 20170248889 - Uematsu; Yuuichiroh ; et al.	2017-08-31
Image forming apparatus incorporating line sensor Grant 9,651,910 - Kosuge , et al. May 16, 2	2017-05-16
Image Forming Apparatus Incorporating Image Reader App 20170108808 - MATSUE; Natsumi ; et al.	2017-04-20
Image Forming Apparatus Incorporating Line Sensor App 20160378040 - KOSUGE; Akio ; et al.	2016-12-29
Image forming apparatus Grant 9,366,989 - Ito , et al. June 14, 2	2016-06-14
Image forming apparatus Grant 9,316,954 - Yoshida , et al. April 19, 2	2016-04-19
Image Forming Apparatus App 20150192879 - Ito; Daisuke ; et al.	2015-07-09
Method For Analyzing Halogen Oxoacids App 20140179018 - Watanabe; Jun ; et al.	2014-06-26
Image Forming Apparatus App 20140086605 - YOSHIDA; Ken ; et al.	2014-03-27
Developing device including refill operation Grant 8,660,468 - Matsumoto , et al. February 25, 2	2014-02-25
Developing device and image forming apparatus using same Grant 8,295,737 - Tsuda , et al. October 23, 2	2012-10-23
Image forming apparatus and method Grant 8,185,001 - Matsumoto May 22, 2	2012-05-22
Developer loading method, loaded developer accommodating container, developer replenishment device, and image forming apparatus Grant 8,165,508 - Matsumoto , et al. April 24, 2	2012-04-24
Image forming apparatus and developer supply method therefor Grant 8,121,498 - Uno , et al. February 21, 2	2012-02-21
Image forming apparatus and developer replenishing method Grant 8,086,117 - Uno , et al. December 27, 2	2011-12-27
Developer supply system and image forming apparatus incorporating same Grant 8,064,807 - Koeda , et al. November 22, 2	2011-11-22
Developing agent storage device and image forming apparatus having same in which the chargeability level of the toner, storage device, and carrier have a specific relationship Grant 8,014,704 - Matsumoto , et al. September 6, 2	2011-09-06
Image Forming Apparatus And Developing Device Used Therein App 20110194863 - MATSUMOTO; Keiko ; et al.	2011-08-11
Developing unit including developer conveyance system having supply path, recovery path, and agitation path, process cartridge including developing unit, and image forming apparatus including process cartridge Grant 7,991,330 - Oshikawa , et al. August 2, 2	2011-08-02
Developing device and image forming apparatus using same Grant 7,962,071 - Tsuda , et al. June 14, 2	2011-06-14
Developer supply device and image forming apparatus comprising same Grant 7,925,190 - Matsumoto , et al. April 12, 2	2011-04-12
Method of multiquantification for cholesterol of low-density lipoprotein Grant 7,811,779 - Matsumoto , et al. October 12, 2	2010-10-12
Developing-agent container, method of manufacturing developing-agent container, developing-agent supplying device, and image forming apparatus Grant 7,801,467 - Uno , et al. September 21, 2	2010-09-21
Small fixed quantity dispenser for aerosol container Grant 7,658,338 - Matsumoto , et al. February 9, 2	2010-02-09
Image Forming Apparatus And Method App 20100008684 - MATSUMOTO; Keiko	2010-01-14
Developer Supply System And Image Forming Apparatus Incorporating Same App 20090263164 - Koeda; Maiko ; et al.	2009-10-22
Simultaneous And Differential Quantification Of Two Target Analytes In Biological Sample App 20090181413 - Itoh; Yasuki ; et al.	2009-07-16
Toner, developer, toner container, process cartridge, fixing process, image forming apparatus, and image forming process Grant 7,550,243 - Matsumoto , et al. June 23, 2	2009-06-23
Image Forming Apparatus And Developer Replenishing Method App 20090110425 - UNO; Mugijirou ; et al.	2009-04-30
Image Forming Apparatus And Developer Supply Method Therefor App 20090103935 - Uno; Mugijiro ; et al.	2009-04-23
Developing Unit, Process Cartridge Including Same, And Image Forming Apparatus Including Process Cartridge App 20090041508 - OSHIKAWA; Yuki ; et al.	2009-02-12
Developer Container Filled With Developer For Image Forming Apparatus, And Method For Producing Developer Container Filled With Developer App 20090016777 - MIYAMOTO; SATORU ; et al.	2009-01-15
Small Fixed Quantity Dispenser for Aerosol Container App 20080312612 - Matsumoto; Keiko ; et al.	2008-12-18
Developing Agent Storage Device And Image Forming Apparatus Having Same App 20080279592 - MATSUMOTO; Keiko ; et al.	2008-11-13
Toner, Developer, Toner Container, Process Cartridge, Fixing Process, Image Forming Apparatus, And Image Forming Process App 20080254378 - Matsumoto; Keiko ; et al.	2008-10-16
Toner, developer, toner container, process cartridge, and an image forming apparatus Grant 7,413,839 - Matsumoto , et al. August 19, 2	2008-08-19
Developing Device And Image Forming Apparatus Using Same App 20080187332 - Tsuda; Kiyonori ; et al.	2008-08-07
Developer Loading Method, Loaded Developer Accommodating Container, Developer Replenishment Device, And Image Forming Apparatus App 20080181630 - MATSUMOTO; Keiko ; et al.	2008-07-31
Developing Device And Image Forming Apparatus Using Same App 20080181670 - TSUDA; Kiyonori ; et al.	2008-07-31
Powder Filling Method, Powder Container, Developer Replenishing Device, Developer Replenishing Method, And Image Forming Apparatus App 20080175628 - Kita; Emi ; et al.	2008-07-24
Toner for developing electrostatic image, fixing method for fixing image formed of the toner, and image forming method and process cartridge using the toner Grant 7,379,696 - Sawada , et al. May 27, 2	2008-05-27
Developing-agent Container, Method Of Manufacturing Developing-agent Container, Developing-agent Supplying Device, And Image Forming Apparatus App 20080063434 - UNO; Mugijirou ; et al.	2008-03-13
Developer Supply Device And Image Forming Apparatus Comprising Same App 20070280742 - MATSUMOTO; Keiko ; et al.	2007-12-06
Method Of Multiquantification For Cholesterol Of Low-Density Lipoprotein App 20070207515 - Matsumoto; Keiko ; et al.	2007-09-06
Subdivisional fixed amount distributing device for aerosol containers App 20070137649 - Matsumoto; Keiko ; et al.	2007-06-21
Powdery inhalational preparations and process for producing the same Grant 7,022,311 - Ohkuma , et al. April 4, 2	2006-04-04
Toner for developing electrostatic image, fixing method for fixing image formed of the toner, and image forming method and process cartridge using the toner App 20050250037 - Sawada, Toyoshi ; et al.	2005-11-10
Toner, developer, toner container, process cartridge, fixing process, image forming apparatus, and image forming process App 20050214670 - Matsumoto, Keiko ; et al.	2005-09-29
Light emitting apparatus Grant 6,697,414 - Kato , et al. February 24, 2	2004-02-24
Device for optically measuring physical quantity in power equipment and method of manufacturing the same Grant 5,844,410 - Ikuta , et al. December 1, 1	1998-12-01

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