Okai; Tetsuya

Patent Applications and Registrations

Patent applications and USPTO patent grants for Okai; Tetsuya.The latest application filed is for "magnetic head for perpendicular recording".

Company Profile

0.14.13

Okai; Tetsuya - Hadano JP
Okai; Tetsuya - Kanagawa-ken JP
Okai; Tetsuya - Hadano-shi JP
Okai; Tetsuya - Fujisawa JP
Okai; Tetsuya - Odawara JP
Okai; Tetsuya - Fujisawa-shi JP
Okai; Tetsuya - Odawara-shi JP
Okai; Tetsuya - Kanagawa JP
Okai; Tetsuya - Hitachi 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
Perpendicular magnetic recording head having a non-magnetic film recessed from the air bearing surface for improved high-density magnetic recording Grant 8,542,462 - Maruyama , et al. September 24, 2	2013-09-24
Magnetic head for perpendicular recording Grant 8,537,493 - Kudo , et al. September 17, 2	2013-09-17
Perpendicular magnetic recording head having a main pole and first and second magnetic films peripheral to the main pole and having different depths from an air bearing surface Grant 8,351,156 - Kudo , et al. January 8, 2	2013-01-08
Magnetic Head For Perpendicular Recording App 20110141615 - Kudo; Kazue ; et al.	2011-06-16
Perpendicular Magnetic Recording Head And Magnetic Recording Device Suitable For High-density Magnetic Recording App 20110002063 - Maruyama; Yohji ; et al.	2011-01-06
Perpendicular Magnetic Recording Head App 20100157476 - Kudo; Kazue ; et al.	2010-06-24
Magnetic head and method for production therefor Grant 7,515,380 - Kudo , et al. April 7, 2	2009-04-07
Thin film magnetic head and magnetic disk apparatus including the same Grant 7,382,576 - Okada , et al. June 3, 2	2008-06-03
Magnetic head utilizing a CoNiFe alloy with 60-80 weight percent Fe and method for production therefor Grant 7,267,757 - Kudo , et al. September 11, 2	2007-09-11
Magnetic head and method for production therefor App 20070177299 - Kudo; Kazue ; et al.	2007-08-02
Thin film magnetic head and magnetic disk apparatus including the same App 20060198051 - Okada; Tomohiro ; et al.	2006-09-07
Thin film magnetic head and magnetic disk apparatus including the same Grant 7,068,467 - Okada , et al. June 27, 2	2006-06-27
Thin film magnetic head with small track width App 20060087766 - Kudo; Kazue ; et al.	2006-04-27
Thin film magnetic head having multiple layered films determining track width imbedded in an insulating film and method of manufacturing the same Grant 6,898,057 - Okai , et al. May 24, 2	2005-05-24
Manufacturing method of a thin film magnetic head Grant 6,877,212 - Okada , et al. April 12, 2	2005-04-12
Thin film magnetic head and magnetic disk apparatus including the same App 20050024767 - Okada, Tomohiro ; et al.	2005-02-03
Magnetic head and method for production therefor App 20040101712 - Kudo, Kazue ; et al.	2004-05-27
Thin film magnetic head and method for manufacturing the same App 20040100730 - Okai, Tetsuya ; et al.	2004-05-27
Thin film magnetic heads and a method of producing the same App 20020071210 - Kawabe, Takashi ; et al.	2002-06-13
Thin film magnetic heads and a method of producing the same App 20020060880 - Kawabe, Takashi ; et al.	2002-05-23
Thin Film Magnetic Head And Magnetic Disk Apparatus Including The Same App 20020041463 - OKADA, TOMOHIRO ; et al.	2002-04-11
Thin film magnetic head and magnetic disk apparatus including the same App 20020013996 - Okada, Tomohiro ; et al.	2002-02-07
Thin film magnetic head and production method thereof and magnetic disk drive equipped with this thin film magnetic head Grant 5,687,045 - Okai , et al. November 11, 1	1997-11-11
Thin film magnetic head and method of manufacturing the same Grant 5,316,617 - Kawabe , et al. May 31, 1	1994-05-31
Method for forming thin film pattern and method for fabricating thin film magnetic head using the same Grant 4,971,896 - Kawabe , et al. November 20, 1	1990-11-20

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