Granted Patent
Utility
US 5,183,754 · App. 07/412,818
Method for production of human tissue type plasminogen activator
Inventors:
Shoichiro Miyahara, Atsunori Shindo, Maki Suzuki, Nobumi Kusuhara, Nobuyoshi Makiguchi
Patented Case
View Patent ↗
Granted: Feb 2, 1993
Filed: Sep 27, 1989
Inventors
Shoichiro Miyahara
Atsunori Shindo
Maki Suzuki
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.