Granted Patent
Utility
US 5,849,912 · App. 08/855,790
Biphenyl derivatives
Inventors:
Kozo Akasaka, Masahiro Yonaga, Akiharu Kajiwara, Kunizo Higurashi, Kohshi Ueno, Satoshi Nagato, Makoto Komatsu, Noritaka Kitazawa, Masataka Ueno, Yoshiharu Yamanishi, Yoshimasa Machida, Yuki Komatsu, Naoyuki Shimomura, Norio Minami, Toshikazu Shimizu, Atsushi Nagaoka
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: May 12, 1997
Inventors
Kozo Akasaka
Masahiro Yonaga
Akiharu Kajiwara
Kunizo Higurashi
Kohshi Ueno
Satoshi Nagato
Makoto Komatsu
Noritaka Kitazawa
Masataka Ueno
Yoshiharu Yamanishi
Yoshimasa Machida
Yuki Komatsu
Naoyuki Shimomura
Norio Minami
Toshikazu Shimizu
Atsushi Nagaoka
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.