Yoshifusa Miyasaka

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lens, optical head apparatus, and objective lens for the optical he...
- Patent number 7,304,934
- Issue date Dec 4, 2007
- NIDEC SANKYO CORPORATION
- Kenichi Hayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Lens driving apparatus, thin camera, and a cellular phone having a...
- Patent number 7,064,912
- Issue date Jun 20, 2006
- NIDEC SANKYO CORPORATION
- Toshio Yamamoto
- G02 - OPTICS
Information Patent Grant
Optical head device and objective lens
- Patent number 7,027,377
- Issue date Apr 11, 2006
- Sankyo Seiki Mfg. Co., Ltd.
- Yuji Fujita
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Objective lens drive device and optical head device provided therewith
- Publication number 20050141364
- Publication date Jun 30, 2005
- Sankyo Seiki Mfg. Co., Ltd.
- Yoshifusa Miyasaka
- G11 - INFORMATION STORAGE
Information Patent Application
Lens, optical head apparatus, and objective lens for the optical he...
- Publication number 20050002315
- Publication date Jan 6, 2005
- Kenichi Hayashi
- G11 - INFORMATION STORAGE
Information Patent Application
Lens driving apparatus, thin camera, and a cellular phone having a...
- Publication number 20040207936
- Publication date Oct 21, 2004
- Toshio Yamamoto
- G02 - OPTICS
Information Patent Application
Optical head device and objective lens for optical head device
- Publication number 20040131000
- Publication date Jul 8, 2004
- Sankyo Seiki Mfg. Co., Ltd.
- Kenichi Hayashi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head device and objective lens
- Publication number 20030123369
- Publication date Jul 3, 2003
- Yuji Fujita
- G11 - INFORMATION STORAGE