Granted Patent
Utility
US 6,145,214 · App. 09/274,364
Position detection apparatus
Inventors:
Tadahiko Shimano, Takamoto Yoshioka
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Mar 23, 1999
Inventors
Tadahiko Shimano
Takamoto Yoshioka
Assignee (at issue)
Sony Precision Technology Inc.
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.