Granted Patent
Utility
US 6,563,148 · App. 09/828,981
Semiconductor device with dummy patterns
Inventors:
Hiroshi Kawashima, Masakazu Okada, Takeshi Kitani, Motoshige Igarashi
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Apr 10, 2001
Inventors
Hiroshi Kawashima
Masakazu Okada
Takeshi Kitani
Motoshige Igarashi
Assignee (at issue)
MITSUBISHI ELECTRIC 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.