Granted Patent
Utility
US 6,579,868 · App. 09/582,840
Purine derivatives and adenosine A2 receptor antagonists serving as preventives/remedies for diabetes
Inventors:
Osamu Asano, Hitoshi Harada, Yorihisa Hoshino, Seiji Yoshikawa, Takashi Inoue, Tatsuo Horizoe, Nobuyuki Yasuda, Kaya Nagata, Junsaku Nagaoka, Manabu Murakami, Seiichi Kobayashi
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Jul 5, 2000
Inventors
Osamu Asano
Hitoshi Harada
Yorihisa Hoshino
Seiji Yoshikawa
Takashi Inoue
Tatsuo Horizoe
Nobuyuki Yasuda
Kaya Nagata
Junsaku Nagaoka
Manabu Murakami
Seiichi Kobayashi
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.