Inventor
WACHI SHOKO
JP2 patents
Patents
2 patentsUS6154433ANov 28, 2000
Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head
TOSHIBA KK62 citations94
US5615200AMar 25, 1997
Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head
TOSHIBA KK67 citations94