Granted Patent
Utility
US 4,672,395 · App. 06/782,067
Optical fungicide-treated information recording and reproducing medium
Inventors:
Kazuo Arai, Shinichi Nishi, Taxey Satoh, Yasushi Kawaguchi, Kiyomitsu Mine
Patented Case
View Patent ↗
Granted: Jun 9, 1987
Filed: Sep 30, 1985
Inventors
Kazuo Arai
Shinichi Nishi
Taxey Satoh
Yasushi Kawaguchi
Kiyomitsu Mine
Assignee (at issue)
Konishiroku Photo Industry 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.