Granted Patent
Utility
US 4,371,609 · App. 06/283,911
Forming method of a dye image
Inventors:
Makoto Kajiwara, Akihiko Miyamoto, Keiji Ohbayashi, Masaru Iwagaki
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Jul 16, 1981
Inventors
Makoto Kajiwara
Akihiko Miyamoto
Keiji Ohbayashi
Masaru Iwagaki
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.