Granted Patent
Utility
US 6,747,990 · App. 09/480,218
Packet communication system, network-side apparatus to be used therein, and time slot allocation control method
Inventors:
Masaki Umayabashi, Kazuo Takagi
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Jan 10, 2000
Inventors
Masaki Umayabashi
Kazuo Takagi
Assignee (at issue)
NEC 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.