Granted Patent
Utility
US 6,420,363 · App. 09/598,420
Mono- or polyenic carboxylic acid derivatives
Inventors:
Shigeki Hibi, Kouichi Kikuchi, Hiroyuki Yoshimura, Mitsuo Nagai, Katsuya Tagami, Shinya Abe, Ieharu Hishinuma, Junichi Nagakawa, Norimasa Miyamoto, Takayuki Hida, Aichi Ogasawara, Seiko Higashi, Kenji Tai, Takashi Yamanaka, Makoto Asada
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Jun 20, 2000
Inventors
Shigeki Hibi
Kouichi Kikuchi
Hiroyuki Yoshimura
Mitsuo Nagai
Katsuya Tagami
Shinya Abe
Ieharu Hishinuma
Junichi Nagakawa
Norimasa Miyamoto
Takayuki Hida
Aichi Ogasawara
Seiko Higashi
Kenji Tai
Takashi Yamanaka
Makoto Asada
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.