KIKAWA; KEIICHI

Patent Applications and Registrations

Patent applications and USPTO patent grants for KIKAWA; KEIICHI.The latest application filed is for "two-component developer, developing device, and image forming device".

Company Profile

2.40.41

KIKAWA; KEIICHI - Osaka JP
Kikawa; Keiichi - Sakai JP
KIKAWA; KEIICHI - Sakai City JP
Kikawa; Keiichi - Utsunomiya JP
Kikawa; Keiichi - Utsunomiya-shi Tochigi-ken
Kikawa; Keiichi - Osaka-shi JP
Kikawa; Keiichi - Sakai-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
Two-component Developer, Developing Device, And Image Forming Device App 20220066338 - NAGAOKA; Maiko ; et al.	2022-03-03
Toner, two-component developer, and method for producing toner Grant 10,732,531 - Kikawa , et al.	2020-08-04
Toner, Two-component Developer, And Method For Producing Toner App 20190317418 - KIKAWA; KEIICHI ; et al.	2019-10-17
Vibration welding device and vibration welding method Grant 9,969,125 - Moriizumi , et al. May 15, 2	2018-05-15
Method for producing ground toner Grant 9,535,350 - Kikawa , et al. January 3, 2	2017-01-03
Method For Producing Ground Toner App 20160357121 - KIKAWA; Keiichi ; et al.	2016-12-08
Vibration Welding Device And Vibration Welding Method App 20160144557 - Moriizumi; Taiki ; et al.	2016-05-26
Two-component color developer and image formation device using same Grant 9,274,447 - Sawai , et al. March 1, 2	2016-03-01
Full-color toner set, full-color developer set, image-formation method using same, and image-formation device Grant 9,250,549 - Fukuoka , et al. February 2, 2	2016-02-02
Full-color Toner Set, Full-color Developer Set, Image-formation Method Using Same, And Image-formation Device App 20150104740 - Fukuoka; Shintaro ; et al.	2015-04-16
Toner For Electrostatic Image Development, Two-component Developer For Replenishing, Image-formation Method Using Same, And Image-formation Device App 20150079513 - Fukuoka; Shintaro ; et al.	2015-03-19
Toner, Two-component Developer, Image Formation Device Using Same, And Image Formation Method App 20150024311 - Kikawa; Keiichi ; et al.	2015-01-22
Two-component Color Developer And Image Formation Device Using Same App 20140242510 - Sawai; Tadayuki ; et al.	2014-08-28
Method for manufacturing capsule toner Grant 8,609,316 - Hara , et al. December 17, 2	2013-12-17
Capsule toner, method of manufacturing the same, and two-component developer Grant 8,431,315 - Mutoh , et al. April 30, 2	2013-04-30
Method for manufacturing capsule toner Grant 8,431,317 - Tsubaki , et al. April 30, 2	2013-04-30
Toner manufacturing method Grant 8,431,316 - Akazawa , et al. April 30, 2	2013-04-30
Capsule toner, two-component developer, and image forming apparatus Grant 8,431,305 - Kikawa , et al. April 30, 2	2013-04-30
Method of manufacturing resin-layer coated carrier, resin-layer coated carrier, developer, developing device, and image forming apparatus Grant 8,399,171 - Hara , et al. March 19, 2	2013-03-19
Method of manufacturing toner, toner obtained by method thereof, one-component developer, two-component developer, developing device and image forming apparatus Grant 8,389,194 - Akazawa , et al. March 5, 2	2013-03-05
Capsule toner and method of manufacturing capsule toner Grant 8,389,195 - Tsubaki , et al. March 5, 2	2013-03-05
Method of manufacturing toner, toner obtained by method thereof, one-component developer, two-component developer, developing device, and image forming apparatus Grant 8,389,193 - Hara , et al. March 5, 2	2013-03-05
Method for manufacturing toner, toner, developer, developing device, and image forming apparatus Grant 8,304,158 - Mutoh , et al. November 6, 2	2012-11-06
Method for manufacturing toner, toner, developer, developing device, and image forming apparatus Grant 8,197,999 - Kawase , et al. June 12, 2	2012-06-12
Method of manufacturing toner, toner, two-component developer, developing device and image forming apparatus Grant 8,187,783 - Kikawa , et al. May 29, 2	2012-05-29
Method of manufacturing toner, toner, two-component developer, developing device, and image forming apparatus Grant 8,163,458 - Kikawa , et al. April 24, 2	2012-04-24
Method of manufacturing toner particles, toner particles, two-component developer, developing device and image forming apparatus Grant 8,097,395 - Matsumoto , et al. January 17, 2	2012-01-17
Toner, method of manufacturing toner, developer, two-component developer, developing device, and image forming apparatus Grant 8,092,968 - Kikawa , et al. January 10, 2	2012-01-10
Functional particle and manufacturing method thereof Grant 8,067,143 - Kikawa , et al. November 29, 2	2011-11-29
Aggregate dispersant, method of manufacturing aggregate of resin-containing particles, toner, developer, developing apparatus, and image forming apparatus Grant 8,021,817 - Kikawa , et al. September 20, 2	2011-09-20
Method For Manufacturing Capsule Toner App 20110177451 - TSUBAKI; Yoritaka ; et al.	2011-07-21
Method For Manufacturing Capsule Toner App 20110171574 - HARA; Takashi ; et al.	2011-07-14
Toner for electrostatic image development and process for preparing the same Grant 7,955,771 - Kikawa , et al. June 7, 2	2011-06-07
Toner Manufacturing Method App 20110111338 - Akazawa; Yoshiaki ; et al.	2011-05-12
Method and apparatus for manufacturing developer, and developer Grant 7,931,876 - Nakano , et al. April 26, 2	2011-04-26
Method Of Manufacturing Toner Particles, Toner Particles, Two-component Developer, Developing Device And Image Forming Apparatus App 20110069992 - Matsumoto; Katsuru ; et al.	2011-03-24
Capsule Toner And Method Of Manufacturing Capsule Toner App 20110070541 - Tsubaki; Yoritaka ; et al.	2011-03-24
Method of manufacturing aggregate particles and toner Grant 7,910,279 - Maezawa , et al. March 22, 2	2011-03-22
Capsule Toner, Method Of Manufacturing The Same, And Two-component Developer App 20110059394 - MUTOH; Yoshinori ; et al.	2011-03-10
Capsule Toner And Method Of Manufacturing The Same App 20110053074 - HARA; Takashi ; et al.	2011-03-03
Method of manufacturing toner particles, toner particles, two-component developer, developing device and image forming apparatus Grant 7,887,986 - Matsumoto , et al. February 15, 2	2011-02-15
Method Of Manufacturing Resin-layer Coated Carrier, Resin-layer Coated Carrier, Developer, Developing Device, And Image Forming Apparatus App 20100303506 - Hara; Takashi ; et al.	2010-12-02
Method of manufacturing aggregated particles Grant 7,833,446 - Maezawa , et al. November 16, 2	2010-11-16
Method Of Manufacturing Toner, Toner Obtained By Method Thereof, One-component Developer, Two-component Developer, Developing Device, And Image Forming Apparatus App 20100248114 - HARA; Takashi ; et al.	2010-09-30
Method Of Manufacturing Toner, Toner Obtained By Method Thereof, One-component Developer, Two-component Developer, Developing Device And Image Forming Apparatus App 20100248124 - Akazawa; Yoshiaki ; et al.	2010-09-30
Toner manufacturing method Grant 7,781,139 - Ariyoshi , et al. August 24, 2	2010-08-24
Capsule Toner, Two-component Developer, And Image Forming Apparatus App 20100209145 - KIKAWA; Keiichi ; et al.	2010-08-19
Method of manufacturing resin particles Grant 7,770,828 - Matsumoto , et al. August 10, 2	2010-08-10
Method For Manufacturing Toner, Toner, Developer, Developing Device, And Image Forming Apparatus App 20100159374 - Mutoh; Yoshinori ; et al.	2010-06-24
Toner, Developer, Developing Device And Image Forming Apparatus App 20100104323 - Toizumi; Kiyoshi ; et al.	2010-04-29
Two-component developer and image formation method Grant 7,687,214 - Shibai , et al. March 30, 2	2010-03-30
Method For Manufacturing Toner, Toner, Developer, Developing Device, And Image Forming Apparatus App 20090297224 - Kawase; Yoshitaka ; et al.	2009-12-03
Producing Method Of Spherical Particle, Spherical Particle, Toner, Developer, Developing Device And Image Forming Apparatus App 20090258310 - MATSUMOTO; Katsuru ; et al.	2009-10-15
Toner, Method Of Manufacturing Toner, Developer, Two-component Developer, Developing Device, And Image Forming Apparatus App 20090232557 - KIKAWA; Keiichi ; et al.	2009-09-17
Method and apparatus for manufacturing developer, and developer App 20090117479 - Nakano; Shinichi ; et al.	2009-05-07
Method Of Manufacturing Toner Particles, Toner Particles, Two-component Developer, Developing Device And Image Forming Apparatus App 20090042119 - MATSUMOTO; Katsuru ; et al.	2009-02-12
Method of manufacturing resin particles App 20090020899 - MATSUMOTO; Katsuru ; et al.	2009-01-22
Method Of Manufacturing Toner, Toner, Two-component Developer, Developing Device, And Image Forming Apparatus App 20090011351 - Kikawa; Keiichi ; et al.	2009-01-08
Method Of Manufacturing Toner, Toner, Two-component Developer, Developing Device And Image Forming Apparatus App 20090011358 - Kikawa; Keiichi ; et al.	2009-01-08
Toner Particles, Method Of Manufacturing The Same, Two-component Developer, Developing Device, And Image Forming Apparatus App 20080311501 - Matsumoto; Katsuru ; et al.	2008-12-18
Method Of Manufacturing Aggregate Particles And Toner App 20080248415 - MAEZAWA; Nobuhiro ; et al.	2008-10-09
Functional particle and manufacturing method thereof App 20080063970 - KIKAWA; Keiichi ; et al.	2008-03-13
Method of manufacturing aggregated particles App 20080029924 - Maezawa; Nobuhiro ; et al.	2008-02-07
Aggregate dispersant, method of manufacturing aggregate of resin-containing particles, toner, developer, deveoping apparatus, and image forming apparatus App 20080032224 - Kikawa; Keiichi ; et al.	2008-02-07
Toner manufacturing method App 20070128537 - Ariyoshi; Satoru ; et al.	2007-06-07
Toner for electrostatic image development and process for preparing the same App 20060257778 - Kikawa; Keiichi ; et al.	2006-11-16
Developing agent and process for producing the same App 20060183045 - Nakano; Shinichi ; et al.	2006-08-17
Two-component developer and image formation method App 20060084002 - Shibai; Yasuhiro ; et al.	2006-04-20
Two-component developer and image formation method App 20060084003 - Shibai; Yasuhiro ; et al.	2006-04-20
Method and apparatus for manufacturing developer, and developer App 20040161686 - Nakano, Shinichi ; et al.	2004-08-19

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