Granted Patent
Utility
US 6,147,630 · App. 09/305,875
Signal conversion processing apparatus
Inventors:
Toshihiro Sasai, Fumitaka Okamoto, Youichi Nakasone
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: May 5, 1999
Inventors
Toshihiro Sasai
Fumitaka Okamoto
Youichi Nakasone
Assignee (at issue)
NuCORE Technology 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.