The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 1997
Filed:
Feb. 28, 1995
Katsuyuki Naito, Yokohama, JP;
Masami Sugiuchi, Yokohama, JP;
Satoshi Takayama, Kawasaki, JP;
Hirohisa Miyamoto, Kawasaki, JP;
Hideyuki Nishizawa, Tokyo, JP;
Sawako Fujioka, Tokyo, JP;
Akiko Watanabe, Kawasaki, JP;
Tatsuo Nomaki, Fujisawa, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A thermal recording medium comprising a color former, a developer and a reversible material which can effect a reversible change in at lease a part of a composition system where thermal energies with two different values are supplied or where two different heat histories are provided, and a phase separation controller serves to change phase separation rate between the color former or the developer and the reversible material in the vicinity of its melting point, if necessary.