IP Library Granted Patent US 6,448,976
Granted Patent Utility
US 6,448,976 · App. 09/044,522

Liquid crystal drive circuit and liquid crystal display apparatus

Inventors: Hiroyuki Nitta, Atsuhiro Higa, Masashi Nakamura, Tsutomu Furuhashi, Satoru Tsunekawa, Hiroshi Kurihara
Patented Case View Patent ↗
Granted: Sep 10, 2002 Filed: Mar 19, 1998
Inventors
Hiroyuki Nitta
Atsuhiro Higa
Masashi Nakamura
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 6,448,976
App. No.
09/044,522
Filed
1998-03-19
Granted
2002-09-10
Kind
B1