Granted Patent
Utility
US 6,504,501 · App. 09/745,750
Radio wave absorbing panel
Inventors:
Toshio Tsuno, Masao Misonou, Harunobu Yoshida, Motoyasu Togashi, Kenichi Hyoudou
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Dec 21, 2000
Inventors
Toshio Tsuno
Masao Misonou
Harunobu Yoshida
Motoyasu Togashi
Kenichi Hyoudou
Assignees (at issue)
NIPPON SHEET GLASS COMPANY, LIMITED
Nippon Sheet Glass Technoresearch Co., Ltd.
Takenaka Corporation
Hitachi Kokusai Electric Inc.
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.