ATsuko Okawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat-assisted magnetic recording (HAMR) write head with recessed ne...
- Patent number 9,036,307
- Issue date May 19, 2015
- HGST Netherlands B.V.
- Hiroyuki Hoshiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Air bearing surface overcoat with soft intermediate film, and metho...
- Patent number 8,472,134
- Issue date Jun 25, 2013
- HGST Netherlands B.V.
- Mineaki Kodama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic head manufacturing method
- Patent number 6,690,544
- Issue date Feb 10, 2004
- Hitachi, Ltd.
- Atsuko Okawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic head manufacturing method
- Patent number 6,504,680
- Issue date Jan 7, 2003
- Hitachi, Ltd.
- Atsuko Okawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic head manufacturing method
- Patent number 6,278,582
- Issue date Aug 21, 2001
- Hiatchi, Ltd.
- Atsuko Okawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC RECORDING HEAD WITH LOW-WEAR PROTECTIVE FILM HAVING HYDROG...
- Publication number 20130070366
- Publication date Mar 21, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Mineaki Kodama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
AIR BEARING SURFACE OVERCOAT WITH SOFT INTERMEDIATE FILM, AND METHO...
- Publication number 20130033779
- Publication date Feb 7, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Mineaki Kodama
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD SLIDER AND MAGNETIC DISK UNIT USING SAME
- Publication number 20120008231
- Publication date Jan 12, 2012
- Hitachi, Ltd.
- RYUJI TSUCHIYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and method of manufacturing the magnetic head
- Publication number 20080316656
- Publication date Dec 25, 2008
- Kazuhito Miyata
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and magnetic head manufacturing method
- Publication number 20030090840
- Publication date May 15, 2003
- Atsuko Okawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and magnetic head manufacturing method
- Publication number 20020027746
- Publication date Mar 7, 2002
- Atsuko Okawa
- G11 - INFORMATION STORAGE