Granted Patent
Utility
US 5,679,671 · App. 08/374,705
Amino acid derivative
Inventors:
Hitoshi Oinuma, Shinji Suda, Naoki Yoneda, Makoto Kotake, Kenji Hayashi, Kazutoshi Miyake, Nobuyuki Mori, Mamoru Saito, Toshiyuki Matsuoka, Masayuki Namiki, Takeshi Sudo, Shigeru Souda
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Jan 25, 1995
Inventors
Hitoshi Oinuma
Shinji Suda
Naoki Yoneda
Makoto Kotake
Kenji Hayashi
Kazutoshi Miyake
Nobuyuki Mori
Mamoru Saito
Toshiyuki Matsuoka
Masayuki Namiki
Takeshi Sudo
Shigeru Souda
Assignee (at issue)
Eisai Inc.
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.