Granted Patent
Utility
US 6,552,915 · App. 09/944,494
Communications apparatus and plug-in unit
Inventors:
Tsutomu Takahashi, Hisao Hayashi, Mitsuo Kaetsu, Shiro Tani, Hideki Zenitani, Kouichi Namimatsu, Masato Konishi
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Aug 30, 2001
Inventors
Tsutomu Takahashi
Hisao Hayashi
Mitsuo Kaetsu
Shiro Tani
Hideki Zenitani
Kouichi Namimatsu
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.