Granted Patent
Utility
US 6,583,490 · App. 09/888,534
One time programmable semiconductor nonvolatile memory device and method for production of same
Inventors:
Yoshiaki Hagiwara, Hideaki Kuroda, Michitaka Kubota, Akira Nakagawara
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Jun 26, 2001
Inventors
Yoshiaki Hagiwara
Hideaki Kuroda
Michitaka Kubota
Akira Nakagawara
Assignee (at issue)
SONY GROUP 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.