Kazuo Shiba

Follow

Person

Nagano, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical head apparatus
- Patent number 7,372,784
- Issue date May 13, 2008
- NIDEC SANKYO CORPORATION
- Kazuo Shiba
- G11 - INFORMATION STORAGE
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