Granted Patent
Utility
US 5,978,615 · App. 09/162,222
Tandem-type image forming apparatus and image forming condition determination method used in this tandem-type image forming apparatus
Inventors:
Masaki Tanaka, Yukihiko Okuno, Toshifumi Watanabe
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Sep 28, 1998
Inventors
Masaki Tanaka
Yukihiko Okuno
Toshifumi Watanabe
Assignee (at issue)
Minolta 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.