Granted Patent
Utility
US 6,552,345 · App. 09/849,266
Thermopile far infrared radiation detection apparatus for crime prevention
Inventors:
Takeshi Asano, Hiroyuki Yajima
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: May 7, 2001
Inventors
Takeshi Asano
Hiroyuki Yajima
Assignee (at issue)
Matsuda Micronics 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.