Granted Patent
Utility
US 6,115,338 · App. 09/069,242
Optical storage apparatus
Inventors:
Takashi Masaki, Shigenori Yanagi
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Apr 29, 1998
Inventors
Takashi Masaki
Shigenori Yanagi
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.