Granted Patent
Utility
US 4,857,947 · App. 07/128,448
Position controlling device in a lens driving apparatus for camera
Inventors:
Hiroshi Wakabayashi, Kazuyuki Kazami, Toshiyuki Nakamura, Hidenori Miyamoto, Daiki Tsukahara, Kiyosada Machida, Yuji Katano
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Dec 3, 1987
Inventors
Hiroshi Wakabayashi
Kazuyuki Kazami
Toshiyuki Nakamura
Hidenori Miyamoto
Daiki Tsukahara
Kiyosada Machida
Yuji Katano
Assignee (at issue)
NIKON 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.