Granted Patent
Utility
US 5,237,187 · App. 07/799,541
Semiconductor memory circuit device and method for fabricating same
Inventors:
Naokatsu Suwanai, Hiroyuki Miyazawa, Atushi Ogishima, Masaki Nagao, Kyoichiro Asayama, Hiroyuki Uchiyama, Yoshiyuki Kaneko, Takashi Yoneoka, Kozo Watanabe, Kazuya Endo, Hiroki Soeda
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Nov 27, 1991
Inventors
Naokatsu Suwanai
Hiroyuki Miyazawa
Atushi Ogishima
Masaki Nagao
Kyoichiro Asayama
Hiroyuki Uchiyama
Yoshiyuki Kaneko
Takashi Yoneoka
Kozo Watanabe
Kazuya Endo
Hiroki Soeda
Assignee (at issue)
HITACHI, LTD.
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.