Granted Patent
Utility
US 5,456,920 · App. 08/187,908
Uncoated tablets and method of producing the same
Inventors:
Hiroshi Matoba, Hiroyoshi Koyama, Jun-ichi Kikuta
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Jan 28, 1994
Inventors
Hiroshi Matoba
Hiroyoshi Koyama
Jun-ichi Kikuta
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.