Granted Patent
Utility
US 6,794,812 · App. 10/428,084
Light-emitting tube array display device
Inventors:
Hitoshi Yamada, Akira Tokai, Manabu Ishimoto, Akira Nakazawa, Kenji Awamoto, Tsutae Shinoda
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: May 2, 2003
Inventors
Hitoshi Yamada
Akira Tokai
Manabu Ishimoto
Akira Nakazawa
Kenji Awamoto
Tsutae Shinoda
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.