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. 10, 2019
Filed:
Apr. 13, 2017
Yuto Matsuoka, Tokyo, JP;
Tohru Yashiro, Kanagawa, JP;
Hiroyuki Takahashi, Kanagawa, JP;
Fuminari Kaneko, Kanagawa, JP;
Sukchan Kim, Tokyo, JP;
Mamiko Inoue, Kanagawa, JP;
Yuto Matsuoka, Tokyo, JP;
Tohru Yashiro, Kanagawa, JP;
Hiroyuki Takahashi, Kanagawa, JP;
Fuminari Kaneko, Kanagawa, JP;
Sukchan Kim, Tokyo, JP;
Mamiko Inoue, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An electrochromic element is provided. The electrochromic element includes a first electrode, a second electrode facing the first electrode with a gap therebetween, and a color developing layer disposed between the first electrode and the second electrode. The color developing layer includes an electrochromic compound that develops and discharges color by a redox reaction and a compound having an adsorption group adsorptive to the first electrode.