Masao Katsumata

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Odawara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording/reproducing head assembly
- Patent number 5,181,149
- Issue date Jan 19, 1993
- Hitachi, Ltd.
- Masao Katsumata
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive head having controlled reproduction output charact...
- Patent number 5,032,943
- Issue date Jul 16, 1991
- Hitachi, Ltd.
- Masao Katsumata
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-resistive head for protecting against output spike noises
- Patent number 4,802,043
- Issue date Jan 31, 1989
- Hitachi, Ltd.
- Naoki Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive element
- Patent number 4,663,607
- Issue date May 5, 1987
- Hitachi, Ltd.
- Masahiro Kitada
- G11 - INFORMATION STORAGE