Granted Patent
Utility
US 5,627,390 · App. 08/648,828
Semiconductor device with columns
Inventors:
Shigenobu Maeda, Yasuo Inoue, Hirotada Kuriyama, Shigeto Maegawa, Kyozo Kanamoto, Toshiaki Iwamatsu
Patented Case
View Patent ↗
Granted: May 6, 1997
Filed: May 16, 1996
Inventors
Shigenobu Maeda
Yasuo Inoue
Hirotada Kuriyama
Shigeto Maegawa
Kyozo Kanamoto
Toshiaki Iwamatsu
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.