Granted Patent
Utility
US 4,512,012 · App. 06/465,604
Time-switch circuit
Inventors:
Takeshi Sampei, Norio Miyahara, Tadanobu Nikaido, Hiroaki Sato, Keizo Aoyama
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Feb 10, 1983
Inventors
Takeshi Sampei
Norio Miyahara
Tadanobu Nikaido
Hiroaki Sato
Keizo Aoyama
Assignee (at issue)
Fujitsu Limited
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.