Granted Patent
Utility
US 6,761,895 · App. 09/834,414
Drug delivery system for averting pharmacokinetic drug interaction and method thereof
Inventors:
Toyohiro Sawada, Kazuhiro Sako, Tatsunobu Yoshioka, Shunsuke Watanabe
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Apr 12, 2001
Inventors
Toyohiro Sawada
Kazuhiro Sako
Tatsunobu Yoshioka
Shunsuke Watanabe
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.