Granted Patent
Utility
US 4,617,224 · App. 06/661,069
Thermal transfer recording medium
Inventors:
Yuji Hotta, Takao Abe, Fumio Ishii, Shigehiro Kitamura, Kunihiro Koshizuka, Masaki Nakamura
Patented Case
View Patent ↗
Granted: Oct 14, 1986
Filed: Oct 15, 1984
Inventors
Yuji Hotta
Takao Abe
Fumio Ishii
Shigehiro Kitamura
Kunihiro Koshizuka
Masaki Nakamura
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.