Granted Patent
Utility
US 6,329,402 · App. 09/313,087
Heterocycle-containing carboxylic acid derivative and drug containing the same
Inventors:
Kouichi Kikuchi, Katsuya Tagami, Hiroyuki Yoshimura, Shigeki Hibi, Mitsuo Nagai, Shinya Abe, Makoto Okita, Takayuki Hida, Seiko Higashi, Naoki Tokuhara, Seiichi Kobayashi
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: May 17, 1999
Inventors
Kouichi Kikuchi
Katsuya Tagami
Hiroyuki Yoshimura
Shigeki Hibi
Mitsuo Nagai
Shinya Abe
Makoto Okita
Takayuki Hida
Seiko Higashi
Naoki Tokuhara
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.