Granted Patent
Utility
US 6,744,113 · App. 10/377,829
Semiconductor device with element isolation using impurity-doped insulator and oxynitride film
Inventors:
Takashi Kuroi, Tomohiro Yamashita, Katsuyuki Horita
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Mar 4, 2003
Inventors
Takashi Kuroi
Tomohiro Yamashita
Katsuyuki Horita
Assignee (at issue)
Renesas Technology 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.