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. 05, 2018
Filed:
Jun. 06, 2016
Akihiko Matsuyama, Shizuoka, JP;
Shigeyuki Harada, Shizuoka, JP;
Yoshiki Yanagawa, Shizuoka, JP;
Masayuki Fukuoka, Tokyo, JP;
Takuya Yamazaki, Shizuoka, JP;
Kazukiyo Nagai, Shizuoka, JP;
Tomoyuki Shimada, Shizuoka, JP;
Akiyoshi Sabu, Shizuoka, JP;
Yuusuke Koizuka, Shizuoka, JP;
Akihiko Matsuyama, Shizuoka, JP;
Shigeyuki Harada, Shizuoka, JP;
Yoshiki Yanagawa, Shizuoka, JP;
Masayuki Fukuoka, Tokyo, JP;
Takuya Yamazaki, Shizuoka, JP;
Kazukiyo Nagai, Shizuoka, JP;
Tomoyuki Shimada, Shizuoka, JP;
Akiyoshi Sabu, Shizuoka, JP;
Yuusuke Koizuka, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
Provided is an ink containing a copper phthalocyanine pigment, wherein an absorbance ratio (Y/X) of a local minimum absorbance Y of the ink in a wavelength range of from 665 nm through 675 nm to a local maximum absorbance X of the ink in a wavelength range of from 610 nm through 620 nm is 0.660 or greater but 0.740 or less.