Granted Patent
Utility
US 5,507,766 · App. 08/186,563
Vascular dilatation instrument and catheter
Inventors:
Takahiro Kugo, Akihiko Umeno, Kiyoshi Yamauchi, Hiroshi Ishikawa, Tadashi Seto
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Jan 26, 1994
Inventors
Takahiro Kugo
Akihiko Umeno
Kiyoshi Yamauchi
Hiroshi Ishikawa
Tadashi Seto
Assignees (at issue)
TERUMO KABUSHIKI KAISHA
TOKIN CORPORATION
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.