Granted Patent
Utility
US 6,448,243 · App. 09/367,227
1,4-substituted cyclic amine derivatives
Inventors:
Noritaka Kitazawa, Kohshi Ueno, Keiko Takahashi, Teiji Kimura, Atsushi Sasaki, Koki Kawano, Tadashi Okabe, Makoto Komatsu, Manabu Matsunaga, Atsuhiko Kubota
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Aug 11, 1999
Inventors
Noritaka Kitazawa
Kohshi Ueno
Keiko Takahashi
Teiji Kimura
Atsushi Sasaki
Koki Kawano
Tadashi Okabe
Makoto Komatsu
Manabu Matsunaga
Atsuhiko Kubota
Assignee (at issue)
Eisai Inc.
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.