Granted Patent
Utility
US 6,775,486 · App. 10/365,376
Image forming apparatus
Inventors:
Kazuhiro Matsuyama, Yoshinobu Tateishi, Toshiya Mikita, Masashi Hirai, Toshio Yamanaka, Mitsuyoshi Terada, Yuji Nakagawa, Osamu Fujimoto
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Feb 11, 2003
Inventors
Kazuhiro Matsuyama
Yoshinobu Tateishi
Toshiya Mikita
Masashi Hirai
Toshio Yamanaka
Mitsuyoshi Terada
Yuji Nakagawa
Osamu Fujimoto
Assignee (at issue)
SHARP 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.