Granted Patent
Utility
US 6,707,786 · App. 09/961,135
Optical recording medium having groove wall at specific angle
Inventor:
Tomonori Ikeya
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Sep 21, 2001
Inventor
Tomonori Ikeya
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.