Hirokatsu Nagatake

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Tokorozawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup
- Patent number 7,149,174
- Issue date Dec 12, 2006
- Pioneer Corporation
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus and laser diode chip
- Patent number 6,912,234
- Issue date Jun 28, 2005
- Pioneer Corporation
- Shinichi Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus for reading different types of recording m...
- Patent number 6,480,456
- Issue date Nov 12, 2002
- Pioneer Corporation
- Makoto Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus
- Patent number 6,452,880
- Issue date Sep 17, 2002
- Pioneer Corporation
- Makoto Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus
- Patent number 6,429,981
- Issue date Aug 6, 2002
- Pioneer Corporation
- Ko Ishii
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical Pickup Device
- Publication number 20080101201
- Publication date May 1, 2008
- PIONEER CORPORATION
- Hirokatsu Nagatake
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup device
- Publication number 20050185565
- Publication date Aug 25, 2005
- PIONEER CORPORATION
- Yuichi Mizuuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup
- Publication number 20030099179
- Publication date May 29, 2003
- PIONEER CORPORATION
- Hitoshi Furuhata
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup apparatus and laser diode chip
- Publication number 20010050933
- Publication date Dec 13, 2001
- Shinichi Takahashi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup apparatus
- Publication number 20010021070
- Publication date Sep 13, 2001
- Ko Ishii
- G11 - INFORMATION STORAGE