Granted Patent
Utility
US 5,760,725 · App. 08/622,152
Current cell type digital-analog converter
Inventors:
Sinya Yoshida, Toyohisa Matsukawa
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Mar 27, 1996
Inventors
Sinya Yoshida
Toyohisa Matsukawa
Assignee (at issue)
Kawasaki Steel 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.