Granted Patent
Utility
US 6,034,231 · App. 07/765,830
Human CNP gene and precursor protein
Inventors:
Shoji Tanaka, Kayoko Fuchimura, Yasunori Tawaragi, Hisayuki Matsuo, Kenji Kanagawa, Naoto Minamino
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Sep 26, 1991
Inventors
Shoji Tanaka
Kayoko Fuchimura
Yasunori Tawaragi
Hisayuki Matsuo
Kenji Kanagawa
Naoto Minamino
Assignee (at issue)
SUNTORY HOLDINGS LIMITED
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.