Granted Patent
Utility
US 5,424,318 · App. 08/177,440
Piperidine derivative and pharmaceutical composition
Inventors:
Hachiro Sugimoto, Takaharu Nakamura, Yutaka Tsuchiya, Hiroyuki Sugumi, Kunizou Higurashi, Norio Karibe, Yoshiharu Yamanishi, Hiroo Ogura, Shin Araki, Atsuhiko Kubota, Michiko Ohtake, Kiyomi Tamatsu
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Jan 5, 1994
Inventors
Hachiro Sugimoto
Takaharu Nakamura
Yutaka Tsuchiya
Hiroyuki Sugumi
Kunizou Higurashi
Norio Karibe
Yoshiharu Yamanishi
Hiroo Ogura
Shin Araki
Atsuhiko Kubota
Michiko Ohtake
Kiyomi Tamatsu
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.