Granted Patent
Utility
US 6,645,996 · App. 09/700,680
Physiologically active substances
Inventors:
Toshiaki Wakabayashi, Rena Kawase, Nobuaki Naruse, Masanori Fujita, Tomohiro Sameshima, Yoshio Watanabe, Kazuyuki Dobashi, Yasuhiro Funahashi, Taro Semba
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Nov 17, 2000
Inventors
Toshiaki Wakabayashi
Rena Kawase
Nobuaki Naruse
Masanori Fujita
Tomohiro Sameshima
Yoshio Watanabe
Kazuyuki Dobashi
Yasuhiro Funahashi
Taro Semba
Assignee (at issue)
Mercian Corporation and Eisai Co., 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.