Granted Patent
Utility
US 6,550,334 · App. 09/933,665
Ultrasonic detecting apparatus
Inventors:
Masaru Kodama, Kiyotaka Iwatsubo, Nobuhiko Nishimura, Toshihiko Imamoto, Masaaki Fujita
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Aug 22, 2001
Inventors
Masaru Kodama
Kiyotaka Iwatsubo
Nobuhiko Nishimura
Toshihiko Imamoto
Masaaki Fujita
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.