Granted Patent
Utility
US 6,331,521 · App. 09/423,654
Echinocandine derivatives with antimicrobial activity
Inventors:
Yasuhiro Hori, Yasuhisa Tsurumi, Shigehiro Takase, Hiroshi Hatanaka, Kazutoshi Sakamoto, Seiji Hashimoto, Hidenori Ohki, Takashi Tojo, Keiji Matsuda, Kohji Kawabata
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Dec 1, 1999
Inventors
Yasuhiro Hori
Yasuhisa Tsurumi
Shigehiro Takase
Hiroshi Hatanaka
Kazutoshi Sakamoto
Seiji Hashimoto
Hidenori Ohki
Takashi Tojo
Keiji Matsuda
Kohji Kawabata
Assignee (at issue)
Fujisawa Pharmaceutical 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.