Granted Patent
Utility
US 6,671,277 · App. 09/511,797
Network relaying apparatus and network relaying method capable of high quality transfer of packets under stable service quality control
Inventors:
Kazuo Sugai, Takeshi Aimoto, Takeki Yazaki, Nobuhito Matsuyama, Yoshihito Sako, Tomohiko Tanabe
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Feb 23, 2000
Inventors
Kazuo Sugai
Takeshi Aimoto
Takeki Yazaki
Nobuhito Matsuyama
Yoshihito Sako
Tomohiko Tanabe
Assignees (at issue)
HITACHI, LTD.
Hitachi Information Technology 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.