Jun-ichi Horikawa

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Yamanashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium and method of manufacturing the same
- Patent number 5,968,679
- Issue date Oct 19, 1999
- Hoya Corporation
- Masato Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,939,170
- Issue date Aug 17, 1999
- Hoya Corporation
- Ken-ichi Nishimori
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media, methods for producing the same and magnet...
- Patent number 5,900,324
- Issue date May 4, 1999
- Hoya Corporation
- Keiji Moroishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media and methods for producing the same
- Patent number 5,824,427
- Issue date Oct 20, 1998
- Hoya Corporation
- Masato Kobayashi
- G11 - INFORMATION STORAGE