Granted Patent
Utility
US 5,629,321 · App. 08/544,583
Bicyclic compound and platelet aggregation inhibitor containing the same
Inventors:
Kunio Okumura, Isao Yokoyama, Toshiyuki Shimazaki, Michihiko Miyamoto, Hiroyuki Yamashita, Kenji Kibayashi, Takanori Yutaka, Kouhei Yazawa
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Oct 18, 1995
Inventors
Kunio Okumura
Isao Yokoyama
Toshiyuki Shimazaki
Michihiko Miyamoto
Hiroyuki Yamashita
Kenji Kibayashi
Takanori Yutaka
Kouhei Yazawa
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.