Granted Patent
Utility
US 5,686,479 · App. 08/244,811
Immunosuppressive drug
Inventors:
Takeki Okumoto, Kenji Chiba, Yukio Hoshino, Hirotsugu Komatsu, Mariko Nagasawa, Hidekazu Aratani, Michio Terasawa, Minoru Moriwaki
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: Jun 10, 1994
Inventors
Takeki Okumoto
Kenji Chiba
Yukio Hoshino
Hirotsugu Komatsu
Mariko Nagasawa
Hidekazu Aratani
Michio Terasawa
Minoru Moriwaki
Assignee (at issue)
Yoshitomi Pharmaceutical Industries, 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.