Granted Patent
Utility
US 4,595,294 · App. 06/420,124
Position detecting device
Inventors:
Hiroshi Ohki, Kenji Fujii, Hidehiro Ogawa, Akio Takahama
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Sep 20, 1982
Inventors
Hiroshi Ohki
Kenji Fujii
Hidehiro Ogawa
Akio Takahama
Assignee (at issue)
Nippon Kogaku K.K.
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.