Granted Patent
Utility
US 6,806,897 · App. 10/279,819
Image recording apparatus using the grating light valve
Inventors:
Yoshikazu Kataoka, Eiichi Tamaki
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Oct 25, 2002
Inventors
Yoshikazu Kataoka
Eiichi Tamaki
Assignee (at issue)
DAINIPPON SCREEN MFG. CO., LTD.
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.