Tamai; Ichiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tamai; Ichiro.The latest application filed is for "perpendicular magnetic recording medium having an oxide seed layer and ru alloy intermediate layer".

Company Profile

0.35.39

Tamai; Ichiro - Odawara JP
Tamai; Ichiro - Odawara-shi JP
Tamai; Ichiro - Kanagawa JP
Tamai; Ichiro - Hachioji JP
Tamai; Ichiro - Yokohama JP
Tamai, Ichiro - Yokohama-shi JP
Tamai, Ichiro - Tokyo 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
Granular media with a high-Hk assist layer for microwave-assisted magnetic recording Grant 9,406,327 - Hinoue , et al. August 2, 2	2016-08-02
Perpendicular Magnetic Recording Medium Having An Oxide Seed Layer And Ru Alloy Intermediate Layer App 20160125903 - Tamai; Ichiro ; et al.	2016-05-05
Perpendicular Magnetic Recording Medium With Grain Boundary Controlling Layers App 20150294679 - Tonooka; Shun ; et al.	2015-10-15
Perpendicular Magnetic Recording Medium With Grain Isolation Layer App 20150262603 - Tonooka; Shun ; et al.	2015-09-17
Perpendicular magnetic recording medium with grain boundary controlling layers Grant 9,058,831 - Tonooka , et al. June 16, 2	2015-06-16
Recording Medium Having Recording Assist App 20150085401 - Nemoto; Hiroaki ; et al.	2015-03-26
Granular Media With A High-hk Assist Layer For Microwave-assisted Magnetic Recording App 20150062745 - Hinoue; Tatsuya ; et al.	2015-03-05
Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same Grant 8,771,849 - Nemoto , et al. July 8, 2	2014-07-08
Perpendicular magnetic recording medium (PMRM) and magnetic storage device using the same Grant 8,705,208 - Nakagawa , et al. April 22, 2	2014-04-22
Perpendicular magnetic recording medium and magnetic storage apparatus using the same Grant 8,703,307 - Hirotsune , et al. April 22, 2	2014-04-22
Perpendicular magnetic recording media having low medium noise and systems using the same Grant 8,592,060 - Tamai , et al. November 26, 2	2013-11-26
Perpendicular Magnetic Recording Medium With Grain Boundary Controlling Layers App 20130155542 - Tonooka; Shun ; et al.	2013-06-20
Perpendicular magnetic recording medium and magnetic storage device using the same Grant 8,440,332 - Tamai , et al. May 14, 2	2013-05-14
PERPENDICULAR MAGNETIC RECORDING MEDIUM WITH AN INVERTED Hk STRUCTURE App 20120307395 - Tonooka; Shun ; et al.	2012-12-06
Perpendicular Magnetic Recording Media Having Low Medium Noise And Systems Using The Same App 20120154948 - Tamai; Ichiro ; et al.	2012-06-21
Perpendicular Magnetic Recording Medium (pmrm) And Systems Thereof App 20120099220 - Tamai; Ichiro ; et al.	2012-04-26
Perpendicular Magnetic Recording Medium And Magnetic Storage Apparatus Using The Same App 20120087034 - Hirotsune; Akemi ; et al.	2012-04-12
Perpendicular Magnetic Recording Medium (pmrm) And Magnetic Storage Systems Using The Same App 20120044595 - Yahisa; Yotsuo ; et al.	2012-02-23
Perpendicular magnetic recording medium and magnetic storage apparatus using the same Grant 7,875,373 - Hirayama , et al. January 25, 2	2011-01-25
Perpendicular Magnetic Recording Medium (pmrm) And Magnetic Storage Device Using The Same App 20110002064 - Nakagawa; Hiroyuki ; et al.	2011-01-06
Perpendicular magnetic recording medium and magnetic storage apparatus using the same Grant 7,701,667 - Tamai , et al. April 20, 2	2010-04-20
Perpendicular magnetic recording medium and manufacturing of the same Grant 7,651,795 - Tamai , et al. January 26, 2	2010-01-26
Perpendicular magnetic recording medium and method of manufacturing it Grant 7,625,646 - Hirayama , et al. December 1, 2	2009-12-01
Perpendicular magnetic recording medium and manufacturing of the same Grant 7,625,644 - Ichihara , et al. December 1, 2	2009-12-01
Perpendicular magnetic recording medium and magnetic storage device using the same App 20090257144 - Tamai; Ichiro ; et al.	2009-10-15
Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same App 20090195924 - Nemoto; Hiroaki ; et al.	2009-08-06
Magnetic recording medium containing first and second recording layers, each layer containing a columnar structure Grant 7,556,871 - Ichihara , et al. July 7, 2	2009-07-07
Perpendicular magnetic recording media Grant 7,510,789 - Hirayama , et al. March 31, 2	2009-03-31
Perpendicular magnetic recording medium App 20090023016 - Tanahashi; Kiwamu ; et al.	2009-01-22
Perpendicular Magnetic Recording Medium With Granular Structured Magnetic Recording Layer, Method For Producing The Same, And Magnetic Recording Apparatus App 20080186627 - Hirayama; Yoshiyuki ; et al.	2008-08-07
Perpendicular magnetic recording medium and magnetic storage apparatus using the same App 20080113221 - Hirayama; Yoshiyuki ; et al.	2008-05-15
Perpendicular magnetic recording medium and magnetic storage apparatus using the same App 20070188924 - Tamai; Ichiro ; et al.	2007-08-16
Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium Grant 7,182,974 - Takahashi , et al. February 27, 2	2007-02-27
Magnetic recording medium and magnetic storage device Grant 7,115,329 - Yamamoto , et al. October 3, 2	2006-10-03
Perpendicular magnetic recording medium and method of manufacturing it App 20060134467 - Hirayama; Yoshiyuki ; et al.	2006-06-22
Magnetic recording media and magnetic recording system using the same Grant 7,056,604 - Kanbe , et al. June 6, 2	2006-06-06
Magnetic recording media and magnetic storage apparatus using the same Grant 7,050,253 - Kanbe , et al. May 23, 2	2006-05-23
Perpendicular magnetic recording medium and manufacturing of the same App 20060088736 - Ichihara; Takayuki ; et al.	2006-04-27
Perpendicular magnetic recording medium with granular structured magnetic recording layer, method for producing the same, and magnetic recording apparatus App 20060088737 - Hirayama; Yoshiyuki ; et al.	2006-04-27
Perpendicular magnetic recording medium and method of manufacturing it Grant 7,033,686 - Hirayama , et al. April 25, 2	2006-04-25
Magnetic recording medium and method for production thereof App 20060076233 - Honda; Yoshinori ; et al.	2006-04-13
Perpendicular magnetic recording medium and manufacturing of the same App 20060057431 - Tamai; Ichiro ; et al.	2006-03-16
Perpendicular magnetic recording media App 20050227121 - Hirayama, Yoshiyuki ; et al.	2005-10-13
Magnetic recording medium and magnetic recording apparatus App 20050227120 - Ichihara, Takayuki ; et al.	2005-10-13
Magnetic recording medium and a magnetic storage apparatus Grant 6,924,048 - Kanbe , et al. August 2, 2	2005-08-02
Perpendicular magnetic recording media Grant 6,916,557 - Hirayama , et al. July 12, 2	2005-07-12
Perpendicular magnetic recording medium and magnetic storage apparatus using the same Grant 6,881,504 - Yamamoto , et al. April 19, 2	2005-04-19
Perpendicular magnetic recording medium and manufacturing of the same App 20050058854 - Takekuma, Ikuko ; et al.	2005-03-17
perpendicular magnetic recording medium and method of manufacturing it App 20040191571 - Hirayama, Yoshiyuki ; et al.	2004-09-30
Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium App 20040157083 - Takahashi, Yoshio ; et al.	2004-08-12
Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium Grant 6,709,768 - Takahashi , et al. March 23, 2	2004-03-23
Perpendicular magnetic recording medium and magnetic storage apparatus using the same App 20040043258 - Yamamoto, Tomoo ; et al.	2004-03-04
Perpendicular magnetic recording media App 20040038083 - Hirayama, Yoshiyuki ; et al.	2004-02-26
Magnetic recording media and magnetic storage apparatus using the same App 20030218834 - Kanbe, Tetsuya ; et al.	2003-11-27
Magnetic recording media and magnetic recording system using the same App 20030211364 - Kanbe, Tetsuya ; et al.	2003-11-13
Magnetic recording medium and a magnetic storage apparatus App 20030203239 - Kanbe, Tetsuya ; et al.	2003-10-30
Perpendicular magnetic recording medium and magnetic storage apparatus using the same Grant 6,638,648 - Yamamoto , et al. October 28, 2	2003-10-28
Magnetic recording medium and magnetic recording system using such a magnetic recording medium Grant 6,605,374 - Kanbe , et al. August 12, 2	2003-08-12
Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium App 20030099866 - Takahashi, Yoshio ; et al.	2003-05-29
Magnetic recording media and magnetic recording system using the same App 20020150796 - Kanbe, Tetsuya ; et al.	2002-10-17
Magnetic recording media and magnetic recording system using the same Grant 6,403,240 - Kanbe , et al. June 11, 2	2002-06-11
Perpendicular magnetic recording medium and magnetic storage apparatus using the same App 20020058161 - Yamamoto, Tomoo ; et al.	2002-05-16
Magnetic recording medium and magnetic recording apparatus App 20020018920 - Yamamoto, Tomoo ; et al.	2002-02-14
Magnetic recording media and magnetic storage apparatus using the same App 20010024743 - Kanbe, Tetsuya ; et al.	2001-09-27
Magnetic recording media Grant 6,221,508 - Kanbe , et al. April 24, 2	2001-04-24
Magnetic recording system and magnetic recording medium used therefor Grant 6,177,208 - Yamamoto , et al. January 23, 2	2001-01-23
Longitudal magnetic recording medium having a multi-layered underlayer and magnetic storage apparatus using such magnetic recording medium Grant 5,922,456 - Tanahashi , et al. July 13, 1	1999-07-13

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