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:
Feb. 23, 1993
Filed:
Jun. 20, 1991
Applicant:
Inventors:
Shoichi Sugiyama, Gotenba, JP;
Fumiaki Arai, Mishima, JP;
Masayasu Nonogaki, Numazu, JP;
Yuji Natori, Numazu, JP;
Hideyuki Yamaguchi, Shizuoka, JP;
Hitoshi Ueda, Numazu, JP;
Hiroshi Tomita, Sagamihara, JP;
Kotaro Kato, Sagamihara, JP;
Assignees:
Ricoh Company, Ltd., Tokyo, JP;
Teijin Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
428143 ; 428480 ; 428516 ; 428518 ; 428913 ; 503200 ;
Abstract
A thermosensitive stencil paper is composed of a substrate and a thermoplastic resin film formed thereon, which thermoplastic resin film has projections in the surface portion thereof, with a printing roughness (R.sub.p) of 2.2 to 5.0 .mu.m, which is a physical quantity proportional to the average depth of the depressions in the surface portion thereof pressed against a standard surface.