Granted Patent
Utility
US 5,438,045 · App. 08/052,721
1,4-diazepine derivative and its pharmaceutical use
Inventors:
Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Tetsuya Kawahara, Naoyuki Shimomura, Osamu Asano, Hiroyuki Yoshimura, Mitsuaki Miyamoto, Yoshimori Sakuma, Kenzo Muramoto, Hiroshi Obaishi, Koukichi Harada, Hajime Tsunoda, Satoshi Katayama, Kouji Yamada, Shigeru Souda, Yoshimasa Machida, Kouichi Katayama, Isao Yamatsu
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Apr 27, 1993
Inventors
Kazuo Okano
Shuhei Miyazawa
Richard Clark
Shinya Abe
Tetsuya Kawahara
Naoyuki Shimomura
Osamu Asano
Hiroyuki Yoshimura
Mitsuaki Miyamoto
Yoshimori Sakuma
Kenzo Muramoto
Hiroshi Obaishi
Koukichi Harada
Hajime Tsunoda
Satoshi Katayama
Kouji Yamada
Shigeru Souda
Yoshimasa Machida
Kouichi 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.