Granted Patent
Utility
US 6,407,783 · App. 09/286,442
Liquid crystal display device
Inventors:
Masao Ohgawara, Shinsuke Iguchi, Masanori Kohno, Takero Teramoto, Naoki Yokoyama, Kizo Hattori
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Apr 6, 1999
Inventors
Masao Ohgawara
Shinsuke Iguchi
Masanori Kohno
Takero Teramoto
Naoki Yokoyama
Kizo Hattori
Assignees (at issue)
OPTREX Corporation
Hiroshima Opt Corporation
NIPPON STEEL CHEMICAL CO., LTD.
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.