Granted Patent
Utility
US 5,422,512 · App. 07/904,953
Semiconductor device and reticle used for fabricating the same
Inventor:
Koji Yamanaka
Patented Case
View Patent ↗
Granted: Jun 6, 1995
Filed: Jun 26, 1992
Inventor
Koji Yamanaka
Assignee (at issue)
NEC 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.