Granted Patent
Utility
US 6,522,606 · App. 08/419,512
Optical pickup servo control apparatus with stored compensatory values
Inventors:
Shigeyoshi Tanaka, Toru Ikeda, Shigenori Yanagi, Takashi Masaki
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Apr 7, 1995
Inventors
Shigeyoshi Tanaka
Toru Ikeda
Shigenori Yanagi
Takashi Masaki
Assignee (at issue)
Fujitsu Limited
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.