Keiji Hirao

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Moriguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disk playback device and method of controlling the device
- Patent number 5,943,303
- Issue date Aug 24, 1999
- Sanyo Electric Co., Ltd.
- Tadahiro Mitani
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk recording-playback device and disk loading or unloading method
- Patent number 5,892,738
- Issue date Apr 6, 1999
- Sanyo Electric Co., Ltd.
- Keiji Hirao
- G11 - INFORMATION STORAGE
Information Patent Grant
Control system for disc playing device
- Patent number 5,721,715
- Issue date Feb 24, 1998
- Sanyo Electric Co., Ltd.
- Tadahiro Mitani
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method for controlling a rotatable optical disk storing magazine
- Patent number 5,671,196
- Issue date Sep 23, 1997
- Sanyo Electric Co., Ltd.
- Masanao Yoshida
- G11 - INFORMATION STORAGE