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:
Jun. 27, 2017
Filed:
Jun. 26, 2014
Mamiko Inoue, Tokyo, JP;
Masaomi Sasaki, Tokyo, JP;
Tohru Yashiro, Kanagawa, JP;
Keiichiroh Yutani, Kanagawa, JP;
Yoshinori Okada, Kanagawa, JP;
Sukchan Kim, Kanagawa, JP;
Hiroyuki Takahashi, Kanagawa, JP;
Koh Fujimura, Tokyo, JP;
Yoshihisa Naijo, Kanagawa, JP;
Kazuaki Tsuji, Kanagawa, JP;
Shigenobu Hirano, Kanagawa, JP;
Toshiya Sagisaka, Kanagawa, JP;
Satoshi Yamamoto, Kanagawa, JP;
Daisuke Goto, Kanagawa, JP;
Keigo Takauji, Kanagawa, JP;
Mamiko Inoue, Tokyo, JP;
Masaomi Sasaki, Tokyo, JP;
Tohru Yashiro, Kanagawa, JP;
Keiichiroh Yutani, Kanagawa, JP;
Yoshinori Okada, Kanagawa, JP;
Sukchan Kim, Kanagawa, JP;
Hiroyuki Takahashi, Kanagawa, JP;
Koh Fujimura, Tokyo, JP;
Yoshihisa Naijo, Kanagawa, JP;
Kazuaki Tsuji, Kanagawa, JP;
Shigenobu Hirano, Kanagawa, JP;
Toshiya Sagisaka, Kanagawa, JP;
Satoshi Yamamoto, Kanagawa, JP;
Daisuke Goto, Kanagawa, JP;
Keigo Takauji, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
An electrochromic compound, represented by the following general formula (I); where Xto Xare each a substituent represented by the following general formula (II), an alkyl group that may contain a functional group, an aromatic hydrocarbon group that may contain a functional group, or a hydrogen atom, and at least two selected from Xto Xare the substituents represented by the general formula (II); where Rto Rare each independently a hydrogen atom, or a monovalent group that may contain a substituent; B is a substituted or unsubstituted monovalent group that may contain a functional group; Ais a monovalent anion; and m is any of 0 to 3, and Rto R, B, and m may each independently be different when a plurality of the substituents represented by the general formula (II) are present.