Granted Patent
Utility
US 6,504,097 · App. 09/834,153
Electronic device
Inventors:
Takeshi Kobayashi, Hideki Fukazawa, Satoshi Utsunomiya
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Apr 12, 2001
Inventors
Takeshi Kobayashi
Hideki Fukazawa
Satoshi Utsunomiya
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.