Yoshinobu Okumura

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium and magnetic head assembly with a medium...
- Patent number 6,014,292
- Issue date Jan 11, 2000
- Silmag
- Jean-Pierre Lazzari
- G11 - INFORMATION STORAGE
Information Patent Grant
Metal thin film magnetic recording medium and manufacturing method...
- Patent number 5,700,593
- Issue date Dec 23, 1997
- Kubota Corporation
- Yoshinobu Okumura
- G11 - INFORMATION STORAGE
Information Patent Grant
Metal thin film magnetic recording medium
- Patent number 5,480,733
- Issue date Jan 2, 1996
- Kubota Corporation
- Yoshinobu Okumura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a glass substrate, heat retaining...
- Patent number 5,314,745
- Issue date May 24, 1994
- Kubota Corporation
- Yoshinobu Okumura
- G11 - INFORMATION STORAGE