Granted Patent
Utility
US 5,219,748 · App. 07/654,404
Recombinant human and rat protein kinase C polypetides
Inventors:
Ono Yoshitaka, Kurokawa Tsutomu, Igarashi Koichi, Nishizuka Yasutomi
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Feb 8, 1991
Inventors
Ono Yoshitaka
Kurokawa Tsutomu
Igarashi Koichi
Nishizuka Yasutomi
Assignee (at issue)
Takeda Chemical Industries 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.