Granted Patent
Utility
US 6,052,315 · App. 09/085,173
Semiconductor memory having electrically erasable and programmable nonvolatile semiconductor memory cells
Inventors:
Kunihiro Katayama, Takayuki Tamura, Kiyoshi Inoue
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: May 28, 1998
Inventors
Kunihiro Katayama
Takayuki Tamura
Kiyoshi Inoue
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.