Granted Patent
Utility
US 5,652,723 · App. 07/869,917
Semiconductor memory device
Inventors:
Katsumi Dosaka, Masaki Kumanoya, Kouji Hayano, Akira Yamazaki, Hisashi Iwamoto, Hideaki Abe, Yasuhiro Konishi, Katsumitsu Himukashi, Yasuhiro Ishizuka, Tsukasa Saiki
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Apr 15, 1992
Inventors
Katsumi Dosaka
Masaki Kumanoya
Kouji Hayano
Akira Yamazaki
Hisashi Iwamoto
Hideaki Abe
Yasuhiro Konishi
Katsumitsu Himukashi
Yasuhiro Ishizuka
Tsukasa Saiki
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.