Takehiro Nagaki

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Patents Grantslast 30 patents

Information Patent Grant
Geomagnetic direction sensor
- Patent number 5,564,194
- Issue date Oct 15, 1996
- Sony Corporation
- Masayoshi Fujita
- G01 - MEASURING TESTING
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High density dual gap magnetic head using polar Kerr effect
- Patent number 5,296,989
- Issue date Mar 22, 1994
- Sony Corporation
- Yoshitaka Ochiai
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for generating magnetic field varying in response to an i...
- Patent number 5,111,441
- Issue date May 5, 1992
- Sony Corporation
- Hiroshi Eto
- G11 - INFORMATION STORAGE
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Device for producing a high frequency modulation magnetic field use...
- Patent number 4,796,241
- Issue date Jan 3, 1989
- Sony Corporation
- Masatoshi Hayakawa
- G11 - INFORMATION STORAGE
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Magnetic transducer head utilizing magneto resistance effect with a...
- Patent number 4,524,401
- Issue date Jun 18, 1985
- Sony Corporation
- Hiroyuki Uchida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic transducer head
- Patent number 4,277,808
- Issue date Jul 7, 1981
- Sony Corporation
- Takehiro Nagaki
- G11 - INFORMATION STORAGE