Junichi SAYAMA

Follow

Person

Fujisawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Perpendicular magnetic recording medium
- Patent number 10,276,192
- Issue date Apr 30, 2019
- Western Digital Technologies, Inc.
- Akemi Hirotsune
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a L10-type ordered alloy
- Patent number 9,595,282
- Issue date Mar 14, 2017
- HGST Netherlands B.V.
- Junichi Sayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium including plural FePt alloy layers includ...
- Patent number 8,679,654
- Issue date Mar 25, 2014
- Hitachi, Ltd.
- Hiroaki Nemoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC RECORDING MEDIUM HAVING A L10-TYPE REGULAR ALLOY
- Publication number 20160217816
- Publication date Jul 28, 2016
- HGST NETHERLANDS B.V.
- Junichi Sayama
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM
- Publication number 20150017480
- Publication date Jan 15, 2015
- HGST NETHERLANDS B.V.
- Akemi Hirotsune
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20120225325
- Publication date Sep 6, 2012
- Hitachi, Ltd.
- HIROAKI NEMOTO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING APPARATUS
- Publication number 20120214021
- Publication date Aug 23, 2012
- Hitachi, Ltd.
- Junichi Sayama
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MANUFACTURING METHOD OF...
- Publication number 20120052330
- Publication date Mar 1, 2012
- Hitachi, Ltd
- Ikuko TAKEKUMA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20110020669
- Publication date Jan 27, 2011
- Junichi SAYAMA
- G11 - INFORMATION STORAGE