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Matsubara, JP
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last 30 patents
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Patent Grant
Magnetic head with suppressed generation of pseudogap
Patent number
5,278,716
Issue date
Jan 11, 1994
Sanyo Electric Co.
Hiroyuki Okuda
G11 - INFORMATION STORAGE
Information
Patent Grant
MIG magnetic head structured to minimize pseudo-gap problem
Patent number
5,270,894
Issue date
Dec 14, 1993
Sanyo Electric Co., Ltd.
Horiyuki Okuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head having a single-crystal ferrite core
Patent number
5,218,500
Issue date
Jun 8, 1993
Sanyo Electric Co., Ltd.
Hiroyuki Okuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing a magnetic core half
Patent number
5,195,004
Issue date
Mar 16, 1993
Sanyo Electric Co., Ltd.
Hiroyuki Okuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head with improved efficiency in both high and low frequen...
Patent number
5,155,645
Issue date
Oct 13, 1992
Sanyo Electric Co., Ltd.
Tsukasa Shimizu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head and method of manufacturing the same
Patent number
5,099,376
Issue date
Mar 24, 1992
Sanyo Electric Co., Ltd.
Kazuo Ino
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing magnetic heads
Patent number
5,007,158
Issue date
Apr 16, 1991
Sanyo Electric Co., Ltd.
Kazuo Ino
G11 - INFORMATION STORAGE
Information
Patent Grant
Metal-in-gap head with heat resistant layers
Patent number
4,953,049
Issue date
Aug 28, 1990
Sanyo Electric Co., Ltd.
Hiroyuki Okuda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording apparatus in a helical scan system
Patent number
4,772,967
Issue date
Sep 20, 1988
Sanyo Electric Co., Ltd.
Hiroyuki Okuda
G11 - INFORMATION STORAGE