Granted Patent
Utility
US 5,320,939 · App. 07/953,294
Measuring apparatus of two components using enzyme electrodes and the measuring method thereof
Inventors:
Yoshio Hashizume, Ryuzo Hayashi, Akio Kariyone
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Sep 30, 1992
Inventors
Yoshio Hashizume
Ryuzo Hayashi
Akio Kariyone
Assignee (at issue)
Kanzaki Paper Manufacturing 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.