Granted Patent
Utility
US 6,832,831 · App. 10/365,200
Image forming apparatus
Inventors:
Kazunobu Shima, Hidetoshi Nishikawa, Masazumi Ishikawa, Kiyotaka Arai, Yuji Yamamoto, Masasuke Funase, Kazuo Nagaosa, Masaki Nakamoto, Masanori Inoshita
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Feb 12, 2003
Inventors
Kazunobu Shima
Hidetoshi Nishikawa
Masazumi Ishikawa
Kiyotaka Arai
Yuji Yamamoto
Masasuke Funase
Kazuo Nagaosa
Masaki Nakamoto
Masanori Inoshita
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.