Granted Patent
Utility
US 6,768,651 · App. 09/813,079
Communication device and plug-in unit therefor
Inventors:
Tsutomu Takahashi, Katsuya Fujii, Hisao Hayashi, Shiro Tani, Kazunori Oomori, Koichi Namimatsu, Hideki Zenitani, Masato Konishi
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Mar 20, 2001
Inventors
Tsutomu Takahashi
Katsuya Fujii
Hisao Hayashi
Shiro Tani
Kazunori Oomori
Koichi Namimatsu
Hideki Zenitani
Masato Konishi
Assignees (at issue)
Fujitsu Limited
Fujitsu Denso 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.