Granted Patent
Utility
US 5,583,530 · App. 08/015,896
Liquid crystal display method and apparatus capable of making multi-level tone display
Inventors:
Hiroyuki Mano, Tatsuhiro Inuzuka, Satoshi Konuma, Kazuhiro Fujisawa, Toshio Futami, Satoru Tsunekawa
Patented Case
View Patent ↗
Granted: Dec 10, 1996
Filed: Feb 10, 1993
Inventors
Hiroyuki Mano
Tatsuhiro Inuzuka
Satoshi Konuma
Kazuhiro Fujisawa
Toshio Futami
Satoru Tsunekawa
Assignees (at issue)
HITACHI, LTD.
Hitachi Video Engineering, Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.