Junji Numazawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic head device with a short auxiliary member
- Patent number 6,859,342
- Issue date Feb 22, 2005
- Mitsumi Electric Co., Ltd.
- Yasuhiko Shinjo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-resistive thin film magnetic head preventing entry of unnec...
- Patent number 6,538,855
- Issue date Mar 25, 2003
- Mitsumi Electric Co., Ltd.
- Akira Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic reproducing head having a magnetoresistive effect
- Patent number 6,282,067
- Issue date Aug 28, 2001
- Nippon Hoso Kyokai
- Kenji Machida
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin-film magnetic head for perpendicular magnetic recording having...
- Patent number 5,218,499
- Issue date Jun 8, 1993
- Sumitomo Special Metals Co., Ltd.
- Toshiaki Wada
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head and a method for manufacturing thereof
- Patent number 5,027,246
- Issue date Jun 25, 1991
- Nippon Hose Kyokai
- Junji Numazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording and reproducing head
- Patent number 5,014,148
- Issue date May 7, 1991
- Nippon Hoso Kyokai
- Junji Numazawa
- G11 - INFORMATION STORAGE