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:
May. 24, 2016
Filed:
May. 15, 2014
Ricoh Company, Ltd., Tokyo, JP;
Masashi Nagayama, Shizuoka, JP;
Hisashi Nakajima, Shizuoka, JP;
Yoshitaka Sekiguchi, Hyogo, JP;
Saori Yamada, Shizuoka, JP;
Shinya Hanatani, Kanagawa, JP;
Mariko Takii, Kanagawa, JP;
Hiroshi Hosokawa, Kanagawa, JP;
Shunji Katoh, Kanagawa, JP;
Shinji Tamaki, Tokyo, JP;
Hiroshi Ikeguchi, Saitama, JP;
Kenji Kikuchi, Kanagawa, JP;
Michiharu Suzuki, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A toner housing container includes a container body housing a toner; a conveying portion conveying the toner from one end of the container body, in a longer direction of the container body, to its other end at which a container opening portion is provided; a pipe receiving port receiving a conveying pipe fixed to a toner conveying device; and an uplifting portion moving the toner toward a toner receiving port of conveying pipe. Such toner has a molecular weight distribution having a peak in a range of 10to 10, and has C/R of from 0.03 to 0.55 between peak height C attributed to crystalline polyester resin and R attributed to non-crystalline resin when measured by FT-IR after stored at 45° C. for 12 hours.