IP Library Granted Patent US 6,549,182
Granted Patent Utility
US 6,549,182 · App. 09/928,424

Liquid crystal driving circuit and liquid crystal display device

Inventors: Hiroyuki Nitta, Atsuhiro Higa, Tsutomu Furuhashi, Satoru Tsunekawa, Hiroshi Kurihara
Patented Case View Patent ↗
Granted: Apr 15, 2003 Filed: Aug 14, 2001
Inventors
Hiroyuki Nitta
Atsuhiro Higa
Tsutomu Furuhashi
Satoru Tsunekawa
Hiroshi Kurihara
Assignees (at issue)
HITACHI, LTD.
Hitachi Video and Information Systems, Inc.

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,549,182
App. No.
09/928,424
Filed
2001-08-14
Granted
2003-04-15
Kind
B2