Granted Patent
Utility
US 5,533,012 · App. 08/401,451
Code-division multiple-access system with improved utilization of upstream and downstream channels
Inventors:
Atsushi Fukasawa, Kenji Horiguchi, Takuro Sato, Hiroki Sugimoto, Yumi Takizawa
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Mar 9, 1995
Inventors
Atsushi Fukasawa
Kenji Horiguchi
Takuro Sato
Hiroki Sugimoto
Yumi Takizawa
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.