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:
Apr. 28, 2009
Filed:
Sep. 19, 2002
Gaku Yakushiji, Tokyo, JP;
Hajime Kitano, Tokyo, JP;
Kazuya Murata, Tokyo, JP;
Norio Nihei, Tokyo, JP;
Koji Takagi, Kanagawa, JP;
Yoshitomo Masuda, Tokyo, JP;
Takahiro Kawagoe, Saitama, JP;
Gaku Yakushiji, Tokyo, JP;
Hajime Kitano, Tokyo, JP;
Kazuya Murata, Tokyo, JP;
Norio Nihei, Tokyo, JP;
Koji Takagi, Kanagawa, JP;
Yoshitomo Masuda, Tokyo, JP;
Takahiro Kawagoe, Saitama, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
The present invention intends to provide particles for displaying images used in an image display device capable of displaying and eliminating repeatedly accompanied by flight and movement of particles utilizing Coulomb force, being superior in stability, particularly in repetition durability, memory characteristic stability, adaptability for temperature change, having capability of regulating charge amount, and accordingly, favorable images with sufficient contrast should be stably obtained. The present invention provides particles coated with a resin; specifying Span of particle diameter distribution, charge attenuation property, thermal change of the surface hardness, tensile break strength, Izod impact strength (with a notch), abrasion loss (Taber), tensile elastic modulus, flexural elastic modulus, or tear strength. The present invention also proposes about the structure of the particles.