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:
Jul. 12, 1994
Filed:
Aug. 24, 1992
Applicant:
Inventor:
Masataka Nishiyama, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; B41J / ;
U.S. Cl.
CPC ...
346108 ;
Abstract
A recording paper including a color varying layer which normally exhibits a predetermined color and a substrate layer having a color different from that of the color varying layer, wherein the predetermined color disappears when a beam of specific wavelength is incident thereon.