Aoki; Koso

Patent Applications and Registrations

Patent applications and USPTO patent grants for Aoki; Koso.The latest application filed is for "magnetic iron oxide particles, magnetic carrier for electrophotographic developers and process for producing the same, and two-component system developer".

Company Profile

0.20.12

Aoki; Koso - Hiroshima-ken JP
Aoki; Koso - Otake N/A JP
Aoki; Koso - Otake-shi JP
Aoki; Koso - Ohtake JP
Aoki; Koso - Ohtake-shi JP
Aoki; Koso - Hiroshima JP
Aoki; Koso - Hiroshima-shi JP
Aoki; Koso - Tsukuba 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
Magnetic iron oxide particles, magnetic carrier for electrophotographic developers and process for producing the same, and two-component system developer Grant 9,448,500 - Harada , et al. September 20, 2	2016-09-20
Black magnetic iron oxide particles, magnetic carrier for electrophotographic developer and two-component developer Grant 9,285,698 - Uemoto , et al. March 15, 2	2016-03-15
Aniline black having specific sulfur content, and resin composition and water-based and solvent-based dispersions using the aniline black Grant 9,085,673 - Shimohata , et al. July 21, 2	2015-07-21
Magnetic Iron Oxide Particles, Magnetic Carrier For Electrophotographic Developers And Process For Producing The Same, And Two-component System Developer App 20140051020 - Harada; Shigenori ; et al.	2014-02-20
Aniline Black, And Resin Composition And Water-based And Solvent-based Dispersions Using The Aniline Black App 20130330556 - Shimohata; Yusuke ; et al.	2013-12-12
Black Magnetic Iron Oxide Particles, Magnetic Carrier For Electrophotographic Developer And Two-component Developer App 20090311617 - Uemoto; Shinji ; et al.	2009-12-17
Black magnetic iron oxide particles having a specific dissolution of sulfur element Grant 7,597,958 - Uemoto , et al. October 6, 2	2009-10-06
Black magnetic iron oxide particles having high breakdown voltage Grant 7,572,505 - Uchida , et al. August 11, 2	2009-08-11
Black magnetic iron oxide particles App 20080206566 - Uemoto; Shinji ; et al.	2008-08-28
Black magnetic iron oxide particles App 20070254157 - Uchida; Naoki ; et al.	2007-11-01
Magnetic iron oxide particles and magnetic toner using the same Grant 7,144,626 - Akai , et al. December 5, 2	2006-12-05
Colored resin particles, water-based dispersion containing the colored resin particles, and ink for ink-jet printing or color filter App 20060219133 - Sakamoto; Muneyoshi ; et al.	2006-10-05
Magnetic iron oxide particles and magnetic toner using the same App 20050227070 - Akai, Hiroshi ; et al.	2005-10-13
Black iron-based particles and black toner containing the same App 20050123756 - Shimo, Nobuya ; et al.	2005-06-09
Black iron-based particles and black toner containing the same Grant 6,844,067 - Shimo , et al. January 18, 2	2005-01-18
Black magnetic iron oxide particles and magnetic toner Grant 6,780,555 - Uchida , et al. August 24, 2	2004-08-24
Black iron-based particles and black toner containing the same App 20040131852 - Shimo, Nobuya ; et al.	2004-07-08
Black magnetic iron oxide particles and magnetic toner App 20020168523 - Uchida, Naoki ; et al.	2002-11-14
Magnetic toner particles comprising magnetite particles containing silicon Grant 6,103,437 - Kozawa , et al. August 15, 2	2000-08-15
Magnetic particles for magnetic toner and process for producing the same Grant 5,874,019 - Uchida , et al. February 23, 1	1999-02-23
Iron oxide particles and process for producing the same Grant 5,688,852 - Misawa , et al. November 18, 1	1997-11-18
Spherical magnetic particles for magnetic toner and process for producing the same Grant 5,652,060 - Uchida , et al. July 29, 1	1997-07-29
Coated granular magnetite particles and process for producing the same Grant 5,648,170 - Okano , et al. July 15, 1	1997-07-15
Magnetic iron oxide particles, a process for producing the same and a magnetic recording medium Grant 5,449,565 - Aoki , et al. September 12, 1	1995-09-12
Magnetic particle powder included in magnetic toners for magnetic image character recognition Grant 5,389,482 - Okano , et al. February 14, 1	1995-02-14
Superparamagnetic fine particles of iron oxide and magnetic recording media containing said particles Grant 5,236,783 - Aoki , et al. August 17, 1	1993-08-17
Photorecording element and liquid crystal cell comprising the same Grant 4,963,448 - Ichimura , et al. October 16, 1	1990-10-16

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