Granted Patent
Utility
US 6,256,227 · App. 09/383,188
Non-volatile semiconductor memory having column sub-selector layout pattern adaptable to miniaturization of memory cell
Inventors:
Shigeru Atsumi, Akira Umezawa, Toru Tanzawa, Seiji Yamada
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Aug 26, 1999
Inventors
Shigeru Atsumi
Akira Umezawa
Toru Tanzawa
Seiji Yamada
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.