Granted Patent
Utility
US 5,987,336 · App. 08/950,512
Communication terminal apparatus and control method thereof
Inventors:
Fukuharu Sudo, Takushi Kunihiro, Tetsuo Kobayashi, Atsushi Ajiro, Kentaro Odaka, Tatsuji Ushino, Toshiro Terauchi
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Oct 21, 1997
Inventors
Fukuharu Sudo
Takushi Kunihiro
Tetsuo Kobayashi
Atsushi Ajiro
Kentaro Odaka
Tatsuji Ushino
Toshiro Terauchi
Assignee (at issue)
SONY GROUP CORPORATION
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.