Granted Patent
Utility
US 6,084,636 · App. 08/937,636
Video signal encoding method and apparatus employing an adaptive quantization technique
Inventors:
Takayuki Sugahara, Motoharu Ueda, Hiroshi Nakagawa, Masayoshi Nishitani, Mitsuaki Fujiwara
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Sep 25, 1997
Inventors
Takayuki Sugahara
Motoharu Ueda
Hiroshi Nakagawa
Masayoshi Nishitani
Mitsuaki Fujiwara
Assignee (at issue)
Victor Company of Japan, 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.