Granted Patent
Utility
US 6,672,781 · App. 09/560,077
Reduced noise key unit
Inventors:
Toshisada Takeda, Bryan Kyuseo Kang, Yoshinori Kobayashi
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Apr 27, 2000
Inventors
Toshisada Takeda
Bryan Kyuseo Kang
Yoshinori Kobayashi
Assignee (at issue)
Minebea Co., 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.