Granted Patent
Utility
US 6,160,096 · App. 09/113,423
Regenerated collagen fiber and method of manufacturing the same
Inventors:
Shinichi Sakashita, Mamoru Tsugawa, Masaoki Goto, Kunihiko Matsumura, Norio Hirokawa
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Jul 10, 1998
Inventors
Shinichi Sakashita
Mamoru Tsugawa
Masaoki Goto
Kunihiko Matsumura
Norio Hirokawa
Assignee (at issue)
KANEKA 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.