Granted Patent
Utility
US 6,775,307 · App. 09/794,173
Light wavelength conversion module
Inventor:
Masami Hatori
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Feb 27, 2001
Inventor
Masami Hatori
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.