Taminori Masuzawa

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup device
- Patent number 6,577,564
- Issue date Jun 10, 2003
- Kabushiki Kaisha Sankyo Seiki Seisakusho
- Tadashi Takeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device having a shielding protection
- Patent number 6,445,671
- Issue date Sep 3, 2002
- Kabushiki Kaisha Sankyo Seiki Seisakusho
- Tadashi Takeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Light-pick-up device and light source unit incorporated in the same
- Patent number 6,438,075
- Issue date Aug 20, 2002
- Kabushiki Kaisha Sankyo Seiki Seisakusho
- Tadashi Takeda
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical pickup device
- Publication number 20020181373
- Publication date Dec 5, 2002
- KABUSHIKI KAISHA SANKYO SEIKI SEISAKUSHO
- Tadashi Takeda
- G11 - INFORMATION STORAGE