Granted Patent
Utility
US 6,333,320 · App. 09/463,017
Hexahydro-1,4-diazepine derivatives or salts thereof
Inventors:
Hiroyuki Koshio, Fukushi Hirayama, Tsukasa Ishihara, Masashi Funatsu, Tomihisa Kawasaki, Yuzo Matsumoto
Patented Case
View Patent ↗
Granted: Dec 25, 2001
Filed: Jan 19, 2000
Inventors
Hiroyuki Koshio
Fukushi Hirayama
Tsukasa Ishihara
Masashi Funatsu
Tomihisa Kawasaki
Yuzo Matsumoto
Assignee (at issue)
Yamanouchi Pharmaceutical 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.