Granted Patent
Utility
US 4,751,124 · App. 07/014,454
Information recording medium
Inventors:
Takahiro Matsuzawa, Katsuyuki Takeda, Hiromichi Enomoto, Yoshitaka Takahashi, Shozo Ishibashi
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Feb 13, 1987
Inventors
Takahiro Matsuzawa
Katsuyuki Takeda
Hiromichi Enomoto
Yoshitaka Takahashi
Shozo Ishibashi
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.