Granted Patent
Utility
US 6,020,168 · App. 07/728,220
Porcine CNP gene and precursor protein
Inventors:
Hisayuki Matsuo, Kenji Kangawa, Naoto Minamino, Shoji Tanaka, Kayoko Fuchimura, Yasunori Tawaragi
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Jul 12, 1991
Inventors
Hisayuki Matsuo
Kenji Kangawa
Naoto Minamino
Shoji Tanaka
Kayoko Fuchimura
Yasunori Tawaragi
Assignees (at issue)
SUNTORY HOLDINGS LIMITED
Hisayuki Matsuo
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.