Granted Patent
Utility
US 5,935,101 · App. 09/006,862
Two-compartment type prefilled syringe
Inventors:
Masahiko Kato, Nobuo Tanaka, Muneo Nonomura, Makoto Kakiuti
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Jan 14, 1998
Inventors
Masahiko Kato
Nobuo Tanaka
Muneo Nonomura
Makoto Kakiuti
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.