Granted Patent
Utility
US 5,364,731 · App. 08/140,897
Multi-color transfer image forming method to form color proofs
Inventors:
Kunio Shimizu, Nobumasa Sasa, Manabu Watanabe, Hiroshi Ide, Shinya Mayama
Patented Case
View Patent ↗
Granted: Nov 15, 1994
Filed: Oct 25, 1993
Inventors
Kunio Shimizu
Nobumasa Sasa
Manabu Watanabe
Hiroshi Ide
Shinya Mayama
Assignees (at issue)
Konica Corporation
Mitsubishi Kasei Corporation
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.