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. 03, 2018
Filed:
Jun. 17, 2015
Daisuke Goto, Kanagawa, JP;
Toshiya Sagisaka, Kanagawa, JP;
Shigenobu Hirano, Kanagawa, JP;
Satoshi Yamamoto, Kanagawa, JP;
Mamiko Inoue, Tokyo, JP;
Tohru Yashiro, Kanagawa, JP;
Hiroyuki Takahashi, Kanagawa, JP;
Koh Fujimura, Tokyo, JP;
Tamotsu Horiuchi, Shizuoka, JP;
Keiichiroh Yutani, Kanagawa, JP;
Yoshihisa Naijo, Kanagawa, JP;
Yoshinori Okada, Kanagawa, JP;
Kazuaki Tsuji, Kanagawa, JP;
Sukchan Kim, Kanagawa, JP;
Keigo Takauji, Kanagawa, JP;
Daisuke Goto, Kanagawa, JP;
Toshiya Sagisaka, Kanagawa, JP;
Shigenobu Hirano, Kanagawa, JP;
Satoshi Yamamoto, Kanagawa, JP;
Mamiko Inoue, Tokyo, JP;
Tohru Yashiro, Kanagawa, JP;
Hiroyuki Takahashi, Kanagawa, JP;
Koh Fujimura, Tokyo, JP;
Tamotsu Horiuchi, Shizuoka, JP;
Keiichiroh Yutani, Kanagawa, JP;
Yoshihisa Naijo, Kanagawa, JP;
Yoshinori Okada, Kanagawa, JP;
Kazuaki Tsuji, Kanagawa, JP;
Sukchan Kim, Kanagawa, JP;
Keigo Takauji, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
To provide an electrochromic compound, represented by the following general formula (I), where Aris a pyridinium ring having a structure represented by the following general formula (IIa), (IIb), or (IIc), where Aris a monovalent heterocyclic ring which may have a substituent, but Aris not a pyridinium ring; Rto Rare each independently a monovalent group which may have a functional group, where the monovalent group may have a substituent; A is a monovalent group which may have a functional group, where the monovalent group may have a substituent; and Bis a monovalent anion.