Granted Patent
Utility
US 6,522,173 · App. 09/280,652
Electronic device
Inventor:
Kanji Otsuka
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Mar 29, 1999
Inventor
Kanji Otsuka
Assignees (at issue)
Kanji Otsuka
Fujitsu Limited
OKI ELECTRIC INDUSTRY CO., LTD.
SANYO ELECTRIC CO., LTD.
SHARP KABUSHIKI KAISHA
SONY GROUP CORPORATION
Kabushiki Kaisha Toshiba
NEC CORPORATION
HITACHI, LTD.
Matsushita Electronics Corporation
MITSUBISHI ELECTRIC CORPORATION
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.