Granted Patent
Utility
US 6,586,004 · App. 09/800,748
Solid preparation
Inventors:
Toshihiro Shimizu, Masae Sugaya
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Mar 7, 2001
Inventors
Toshihiro Shimizu
Masae Sugaya
Assignee (at issue)
Takeda Chemical 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.