Granted Patent
Utility
US 6,683,885 · App. 09/511,798
Network relaying apparatus and network relaying method
Inventors:
Kazuo Sugai, Takeshi Aimoto, Takeki Yazaki, Nobuhito Matsuyama, Yoshihito Sako, Tomohiko Tanabe
Patented Case
View Patent ↗
Granted: Jan 27, 2004
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.