Fumio Kobayashi

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Komagane, JP

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Patents Grantslast 30 patents

Information Patent Grant
Diffraction grating element and optical pickup device incorporating...
- Patent number 6,785,200
- Issue date Aug 31, 2004
- Kabushiki Kaisha Sankyo Seiki Seisakusho
- Kazuo Shiba
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving device capable of holding an objective lens...
- Patent number 5,844,881
- Issue date Dec 1, 1998
- Kabushiki Kaisha Sankyo Seiki Seisakusho
- Ikuo Kasuga
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk hold device having an operation button
- Patent number 5,555,233
- Issue date Sep 10, 1996
- Asahi Corporation
- Hideo Yano
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective actuator for positioning an optical pick-up device
- Patent number 5,488,594
- Issue date Jan 30, 1996
- K.K. Sankyo Seiki Seisakusho
- Fumio Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving device in an optical pickup
- Patent number 4,998,802
- Issue date Mar 12, 1991
- Kabushiki Kaisha Sankyo Seiki Seisakusho
- Ikuo Kasuga
- G11 - INFORMATION STORAGE