Granted Patent
Utility
US 6,469,294 · App. 09/045,044
Optical scanner and light source module with reduced light beam diameter
Inventors:
Masanori Ohkawa, Toshiyuki Ichikawa, Hiroshi Watanuki, Kozo Yamazaki
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Mar 20, 1998
Inventors
Masanori Ohkawa
Toshiyuki Ichikawa
Hiroshi Watanuki
Kozo Yamazaki
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.