Granted Patent
Utility
US 6,175,152 · App. 09/338,803
Semiconductor device
Inventor:
Takeshi Toyoda
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Jun 23, 1999
Inventor
Takeshi Toyoda
Assignee (at issue)
CITIZEN WATCH CO., LTD.
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.