Mayumi Takahashi

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Kawagoe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gain controlling apparatus and method, information reproducing appa...
- Patent number 6,606,284
- Issue date Aug 12, 2003
- Pioneer Corporation
- Masato Sakamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Drive apparatus for optical recording medium
- Patent number 6,510,112
- Issue date Jan 21, 2003
- Pioneer Corporation
- Masato Sakamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic gain control apparatus for optical disc player
- Patent number 5,757,748
- Issue date May 26, 1998
- Pioneer Electronic Corporation
- Kazuhiro Kiyoura
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for controlling bias amount of focus error signal
- Patent number 5,751,674
- Issue date May 12, 1998
- Pioneer Electronic Corporation
- Alex Bradshaw
- G11 - INFORMATION STORAGE