Inventor
TAKEDA YASUTSUGU
5 patents
Patents
5 patentsUS4037919AJul 26, 1977
Holographic device with divided object beams, a multicolor light source and direction-selective screen
HITACHI LTD43 citations91
US4021606AMay 3, 1977
Hologram apparatus
HITACHI LTD33 citations90
US4051528ASep 27, 1977
Apparatus for optically reconstructing information
HITACHI LTD16 citations73
US4759030AJul 19, 1988
Semiconductor laser
HITACHI LTD6 citations62
US3937554AFeb 10, 1976
Holograms impregnated with laser active material
HITACHI LTD2 citations61