Granted Patent
Utility
US 6,765,752 · App. 10/048,583
Disk device
Inventors:
Masashi Watanabe, Tetsuya Takashima
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Feb 1, 2002
Inventors
Masashi Watanabe
Tetsuya Takashima
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.