Granted Patent
Utility
US 5,210,239 · App. 07/576,054
Ouinone derivatives and pharmacological use
Inventors:
Shinya Abe, Yasushi Okamoto, Katsuya Tagami, Shigeki Hibi, Junichi Nagakawa, Kazuo Hirota, Ieharu Hishinuma, Kaname Miyamoto, Takashi Yamanaka, Hiromitsu Yokohama, Tsutomu Yoshimura, Tohru Horie, Yasunori Akita, Koichi Katayama, Isao Yamatsu
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Aug 31, 1990
Inventors
Shinya Abe
Yasushi Okamoto
Katsuya Tagami
Shigeki Hibi
Junichi Nagakawa
Kazuo Hirota
Ieharu Hishinuma
Kaname Miyamoto
Takashi Yamanaka
Hiromitsu Yokohama
Tsutomu Yoshimura
Tohru Horie
Yasunori Akita
Koichi Katayama
Isao Yamatsu
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.