Granted Patent
Utility
US 5,456,845 · App. 08/199,511
Method for separating a blood material into blood component products
Inventors:
Takao Nishimura, Kenji Kobayashi, Junko Sato
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Feb 22, 1994
Inventors
Takao Nishimura
Kenji Kobayashi
Junko Sato
Assignee (at issue)
ASAHI MEDICAL CO., 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.