Inventor
HIRUMA EIKYUU
JP5 patents
Patents
5 patentsUS4952839AAug 28, 1990
Photoconductive device and method of operating the same
HITACHI LTD28 citations92
US4888521ADec 19, 1989
Photoconductive device and method of operating the same
HITACHI LTD26 citations92
US4900975AFeb 13, 1990
Target of image pickup tube having an amorphous semiconductor laminate
HITACHI LTD16 citations73
US4866332ASep 12, 1989
Target of image pickup tube
HITACHI LTD3 citations62
US4717854AJan 5, 1988
Image pick-up tube target
HITACHI LTD2 citations61