Granted Patent
Utility
US 4,894,137 · App. 07/095,977
Enzyme electrode
Inventors:
Koichi Takizawa, Satoshi Nakajima, Masato Arai
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Sep 14, 1987
Inventors
Koichi Takizawa
Satoshi Nakajima
Masato Arai
Assignee (at issue)
Omron Tateisi Electronics
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.