Granted Patent
Utility
US 6,552,057 · App. 09/796,805
Serotonin 5-HT3 receptor partial activator
Inventors:
Yasuo Sato, Megumi Yamada, Kazuko Kobayashi, Katsuyoshi Iwamatsu, Fukio Konno, Koichi Shudo
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Mar 2, 2001
Inventors
Yasuo Sato
Megumi Yamada
Kazuko Kobayashi
Katsuyoshi Iwamatsu
Fukio Konno
Koichi Shudo
Assignee (at issue)
MEIJI SEIKA KAISHA, 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.