Yamakawa; Eishin

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yamakawa; Eishin.The latest application filed is for "method of manufacturing magnetic recording medium".

Company Profile

2.13.15

Yamakawa; Eishin - Tokyo JP
Yamakawa; Eishin - Ichihara JP
YAMAKAWA; Eishin - Ichihara-shi JP
Yamakawa; Eishin - Chiba JP
Yamakawa; Eishin - Higashine JP
Yamakawa; Eishin - Kawasaki 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 of manufacturing magnetic recording medium Grant 11,322,176 - Tani , et al. May 3, 2	2022-05-03
Method for producing a thin film, method for producing a magnetic disk, method for producing a nanoimprint mold, and apparatus for producing a thin film Grant 10,888,895 - Tani , et al. January 12, 2	2021-01-12
Method Of Manufacturing Magnetic Recording Medium App 20200395045 - TANI; Hiroshi ; et al.	2020-12-17
Magnetic recording medium, and magnetic recording and reproducing apparatus Grant 10,199,064 - Maruyama , et al. Fe	2019-02-05
Method For Producing A Thin Film, Method For Producing A Magnetic Disk, Method For Producing A Nanoimprint Mold, And Apparatus For Producing A Thin Film App 20180257105 - TANI; Hiroshi ; et al.	2018-09-13
Magnetic recording medium and magnetic recording and reproducing apparatus Grant 10,074,396 - Yamakawa , et al. September 11, 2	2018-09-11
Perpendicular magnetic recording medium and magnetic storage apparatus Grant 9,640,213 - Hasegawa , et al. May 2, 2	2017-05-02
Magnetic Recording Medium And Magnetic Recording And Reproducing Apparatus App 20170084305 - YAMAKAWA; Eishin ; et al.	2017-03-23
Magnetic Recording Medium, And Magnetic Recording And Reproducing Apparatus App 20160240219 - MARUYAMA; Yoshihiko ; et al.	2016-08-18
Perpendicular Magnetic Recording Medium And Magnetic Storage Apparatus App 20160148633 - HASEGAWA; Kota ; et al.	2016-05-26
Method for manufacturing storage medium Grant 8,296,931 - Okumura , et al. October 30, 2	2012-10-30
Manufacturing method and evaluating method of magnetic recording medium Grant 7,842,331 - Yamakawa , et al. November 30, 2	2010-11-30
Magnetic Recording Medium And Method Of Fabricating The Same App 20090252992 - Okada; Makoto ; et al.	2009-10-08
Composition, magnetic recording medium, head slider, and magnetic recording device Grant 7,534,750 - Chiba , et al. May 19, 2	2009-05-19
Storage Device, Storage Medium, And Method For Manufacturing Storage Medium App 20090059416 - Okada; Makoto ; et al.	2009-03-05
Method For Manufacturing Storage Medium App 20090061742 - Okumura; Hiroyoshi ; et al.	2009-03-05
Manufacturing method and evaluating method of magnetic recording medium App 20090053394 - Yamakawa; Eishin ; et al.	2009-02-26
Magnetic disk drive having a surface coating on a magnetic disk App 20080081220 - Watanabe; Keiji ; et al.	2008-04-03
Magnetic disk drive having a surface coating on a magnetic disk Grant 7,335,701 - Watanabe , et al. February 26, 2	2008-02-26
Lubricant, magnetic recording medium and head slider App 20070203037 - Chiba; Hiroshi ; et al.	2007-08-30
Magnetic recording device having a head slider utilizing a water-repellant resin lubricant having specified surface tension properties Grant 7,259,937 - Chiba , et al. August 21, 2	2007-08-21
Magnetic disk drive having a surface coating on a magnetic disk App 20060241247 - Watanabe; Keiji ; et al.	2006-10-26
Magnetic disk drive having a surface coating on a magnetic disk Grant 7,081,277 - Watanabe , et al. July 25, 2	2006-07-25
Composition, magnetic recording medium, head slider, and magnetic recording device App 20060106260 - Chiba; Hiroshi ; et al.	2006-05-18
Head slider and magnetic recording device App 20050264937 - Chiba, Hiroshi ; et al.	2005-12-01
Method and apparatus for preparing fluorine-based solvent Grant 6,670,309 - Chiba , et al. December 30, 2	2003-12-30
Method and apparatus for preparing fluorine-based solvent App 20020035302 - Chiba, Hiroshi ; et al.	2002-03-21
Magnetic recording medium and magnetic head having carbon protective layers Grant 6,132,875 - Kiuchi , et al. October 17, 2	2000-10-17

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.