Granted Patent
Utility
US 5,151,359 · App. 07/347,649
Method for producing of human tissue type plasminogen activator
Inventors:
Shyoichiro Miyahara, Maki Suzuki, Atsunori Shindo, Nobumi Kusuhara, Nobuyoshi Makiguchi
Patented Case
View Patent ↗
Granted: Sep 29, 1992
Filed: May 5, 1989
Inventors
Shyoichiro Miyahara
Maki Suzuki
Atsunori Shindo
Nobumi Kusuhara
Nobuyoshi Makiguchi
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.