IP Library Granted Patent US 4,514,745
Granted Patent Utility
US 4,514,745 · App. 06/635,580

Heat-sensitive recording material

Inventors: Toshitake Suzuki, Naoto Arai, Shoji Aoyagi, Toranosuke Saito, Masakatsu Kitani, Takashi Ishibashi
Patented Case View Patent ↗
Granted: Apr 30, 1985 Filed: Jul 30, 1984
Inventors
Toshitake Suzuki
Naoto Arai
Shoji Aoyagi
Toranosuke Saito
Masakatsu Kitani
Takashi Ishibashi
Assignees (at issue)
Kanzaki Paper Manufacturing Co., Ltd.
Sanko Kaihatsu Kagaku Kenkyusho

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,514,745
App. No.
06/635,580
Filed
1984-07-30
Granted
1985-04-30
Kind
A