Granted Patent
Utility
US 5,918,976 · App. 08/933,996
Mixing method
Inventors:
Katuya Hashimoto, Toshiyuki Hagiwara, Masami Akiyama, Kunihisa Tabuchi, Nobuhiko Sano
Patented Case
View Patent ↗
Granted: Jul 6, 1999
Filed: Sep 19, 1997
Inventors
Katuya Hashimoto
Toshiyuki Hagiwara
Masami Akiyama
Kunihisa Tabuchi
Nobuhiko Sano
Assignees (at issue)
Konica Corporation
Konica Chemical Corporation
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.