Granted Patent
Utility
US 5,901,133 · App. 08/872,141
Objective lens actuator
Inventors:
Akira Miyamae, Hisao Isobe
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Jun 10, 1997
Inventors
Akira Miyamae
Hisao Isobe
Assignee (at issue)
Kabushiki Kaisha Sankyo Seiki Seisakusho
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.