Takagaki; Tokuho

Patent Applications and Registrations

Patent applications and USPTO patent grants for Takagaki; Tokuho.The latest application filed is for "magnetoresistance effect elements, magnetic heads and magnetic storage apparatus".

Company Profile

0.11.4

Takagaki; Tokuho - Yokohama JP
Takagaki; Tokuho - Yokohama-shi JP
Takagaki; Tokuho - Odawara 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
Method for manufacturing magnetic head device Grant 7,159,303 - Nakatani , et al. January 9, 2	2007-01-09
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus App 20060152862 - Nakatani; Ryoichi ; et al.	2006-07-13
Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect Grant 7,054,120 - Nakatani , et al. May 30, 2	2006-05-30
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus App 20040090850 - Nakatani, Ryoichi ; et al.	2004-05-13
Magnetic head with conductors formed on endlayers of a multilayer film having magnetic layer coercive force difference Grant 6,687,099 - Nakatani , et al. February 3, 2	2004-02-03
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus App 20030117750 - Nakatani, Ryoichi ; et al.	2003-06-26
Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effect Grant 6,483,677 - Nakatani , et al. November 19, 2	2002-11-19
Magnetoresistance effect elements, magnetic heads and magnetic storage apparatus App 20020018325 - Nakatani, Ryoichi ; et al.	2002-02-14
Magnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositions Grant 6,011,674 - Nakatani , et al. January 4, 2	2000-01-04
Magnetic recording medium having at least two magnetic layers with easy axes oriented in the same direction Grant 5,736,235 - Matsuda , et al. April 7, 1	1998-04-07
Multilayer magnetoresistance effect-type magnetic head Grant 5,726,837 - Nakatani , et al. March 10, 1	1998-03-10
Method of head positioning and magnetic recording disk drive using the same Grant 5,568,331 - Akagi , et al. October 22, 1	1996-10-22
Multilayer magnetoresistance effect-type magnetic head Grant 5,390,061 - Nakatani , et al. February 14, 1	1995-02-14
Magnetic recording data storage system Grant 5,325,244 - Takano , et al. June 28, 1	1994-06-28
Magnetic recording medium and method of producing same Grant 4,950,548 - Furusawa , et al. August 21, 1	1990-08-21

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