Granted Patent
Utility
US 6,477,671 · App. 09/845,350
Semiconductor memory, memory device, and memory card
Inventors:
Masashi Wada, Takao Okubo, Takeshi Furuno
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: May 1, 2001
Inventors
Masashi Wada
Takao Okubo
Takeshi Furuno
Assignees (at issue)
HITACHI, LTD.
Hitachi VLSI Engineering Corp.
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.