Granted Patent
Utility
US 6,552,741 · App. 09/847,315
Optical scanning device, image scanning method and photographic processing device
Inventors:
Fumihiro Nakahara, Jun Hirooka, Yasutaka Kayama, Hirofumi Hayashi
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: May 3, 2001
Inventors
Fumihiro Nakahara
Jun Hirooka
Yasutaka Kayama
Hirofumi Hayashi
Assignee (at issue)
Noritsu Koki 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.