Granted Patent
Utility
US 6,225,613 · App. 09/318,825
Optical device provided with correcting function for trembling of focused image with a stop of power supply to the device
Inventors:
Shinji Tsukamoto, Ken Hirunuma
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: May 26, 1999
Inventors
Shinji Tsukamoto
Ken Hirunuma
Assignee (at issue)
Asahi Kogaku Kogyo Kabushiki Kaisha
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.