Granted Patent
Utility
US 6,693,640 · App. 10/114,937
Image processing apparatus and image processing system using the apparatus
Inventors:
Shoji Muramatsu, Yoshiki Kobayashi, Kenji Hirose, Shigetoshi Sakimura
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Apr 4, 2002
Inventors
Shoji Muramatsu
Yoshiki Kobayashi
Kenji Hirose
Shigetoshi Sakimura
Assignees (at issue)
HITACHI, LTD.
Hitachi Engineering 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.