Inventor
NAKATSUKA HIDEAKI
JP4 patents
⚠️ This page may combine multiple inventors who share the name “NAKATSUKA HIDEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
2 patentsUS4759612AJul 26, 1988
Twisted nematic type liquid crystal display device having a color polarizer to provide an achromatic or colorless background
HITACHI LTD78 citations93
US4756604AJul 12, 1988
Liquid crystal device using a Fresnel collimating lens for improving uniformity of display contrast ratio
HITACHI LTD56 citations92