ISHITANI; Seiji

Patent Applications and Registrations

Patent applications and USPTO patent grants for ISHITANI; Seiji.The latest application filed is for "non-magnetic particles for non-magnetic undercoat layer of magnetic recording medium, and magnetic recording medium".

Company Profile

0.9.15

ISHITANI; Seiji - Otake-shi JP
Ishitani; Seiji - Otake JO
ISHITANI; Seiji - Oita-ken JP
Ishitani; Seiji - Hiroshima JP
Ishitani; Seiji - Hiroshima-ken JP
Ishitani, Seiji - Hiroshima-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
Non-magnetic Particles For Non-magnetic Undercoat Layer Of Magnetic Recording Medium, And Magnetic Recording Medium App 20140322437 - ISHITANI; Seiji ; et al.	2014-10-30
Manufacturing method of soft magnetic material and manufacturing method of dust core Grant 8,557,330 - Maeda , et al. October 15, 2	2013-10-15
Soft magnetic material, powder magnetic core and method of manufacturing soft magnetic material Grant 8,323,725 - Maeda , et al. December 4, 2	2012-12-04
Method Of Manufacturing Semiconductor Device App 20120192127 - USUI; Satoshi ; et al.	2012-07-26
Manufacturing Method Of Soft Magnetic Material And Manufacturing Method Of Dust Core App 20120164320 - Maeda; Toru ; et al.	2012-06-28
Soft magnetic material comprising an insulating layer containing aluminum, silicon, phosphorous and oxygen; dust magnetic core; process for producing soft magnetic material; and process for producing dust magnetic core Grant 8,153,256 - Maeda , et al. April 10, 2	2012-04-10
Soft Magnetic Material, Powder Magnetic Core And Method Of Manufacturing Soft Magnetic Material App 20100255188 - MAEDA; Toru ; et al.	2010-10-07
Soft magnetic material, powder magnetic core and method of manufacturing soft magnetic material Grant 7,767,034 - Maeda , et al. August 3, 2	2010-08-03
Process For Producing Ferromagnetic Metal Particles And Magnetic Recording Medium App 20100035087 - Morii; Hiroko ; et al.	2010-02-11
Ferromagnetic Metal Particles And Process For Producing The Same, And Magnetic Recording Medium App 20090220823 - MORII; Hiroko ; et al.	2009-09-03
Soft Magnetic Material, Dust Magnetic Core, Process For Producing Soft Magnetic Material And Process For Producing Dust Magnetic Core App 20090047519 - Maeda; Toru ; et al.	2009-02-19
Non-magnetic Particles For Non-magnetic Undercoat Layer Of Magnetic Recording Medium, And Magnetic Recording Medium App 20090042064 - ISHITANI; Seiji ; et al.	2009-02-12
Soft Magnetic Material, Method of Manufacturing Soft Magnetic Material, Dust Core, and Method of Manufacturing Dust Core App 20080248245 - Maeda; Toru ; et al.	2008-10-09
Soft Magnetic Material, Powder Magnetic Core and Method of Manufacturing Soft Magnetic Material App 20070235109 - Maeda; Toru ; et al.	2007-10-11
Hematite particles aggregates, non-magnetic undercoatt layer for magnetic recording medium using the same, and magnetic recording medium having the non-magnetic undercoat layer Grant 6,723,456 - Hayashi , et al. April 20, 2	2004-04-20
Magnetic recording medium Grant 6,689,452 - Kamigaki , et al. February 10, 2	2004-02-10
Black magnetic toner Grant 6,638,675 - Hayashi , et al. October 28, 2	2003-10-28
Magnetic composite particles for magnetic color toner, magnetic color toner using the same, method for developing magnetic latent image using the toner, and method for developing electrostatic image using the toner App 20030175518 - Ishitani, Seiji ; et al.	2003-09-18
Black magnetic toner App 20030073016 - Hayashi, Kazuyuki ; et al.	2003-04-17
Magnetic recording medium App 20030031895 - Kamigaki, Mamoru ; et al.	2003-02-13
Black magnetic toner and black magnetic composite particles therefor App 20020192584 - Hayashi, Kazuyuki ; et al.	2002-12-19
Hematite particles aggregates, non-magnetic undercoatt layer for magnetic recording medium using the same, and magnetic recording medium having the non-magnetic undercoat layer App 20020136928 - Hayashi, Kazuyuki ; et al.	2002-09-26
Black non-magnetic composite particles for black toner and black toner using the same Grant 6,130,017 - Hayashi , et al. October 10, 2	2000-10-10

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