Tsutomu Kamifuji

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Amplifier circuit suppressing disturbance signal produced by magnet...
- Patent number 5,852,521
- Issue date Dec 22, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Takehiko Umeyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Circuit for processing signals from a magneto-resistive head
- Patent number 5,834,969
- Issue date Nov 10, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Takehiko Umeyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Single end input high frequency amplifier
- Patent number 5,694,083
- Issue date Dec 2, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Takehiko Umeyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Amplifier circuit
- Patent number 5,382,917
- Issue date Jan 17, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Hideki Miyake
- H03 - BASIC ELECTRONIC CIRCUITRY