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:
Nov. 04, 2025
Filed:
Mar. 13, 2024
Toshiyuki Kabata, Kanagawa, JP;
Takayuki Andoh, Kanagawa, JP;
Masahiro Samei, Osaka, JP;
Kota Shiodera, Tokyo, JP;
Hiroshi Yoshinaga, Chiba, JP;
Tomoyuki Nishikawa, Saitama, JP;
Yuusuke Furuichi, Kanagawa, JP;
Hiroyuki Shimada, Tokyo, JP;
Arinobu Yoshiura, Kanagawa, JP;
Toshiyuki Kabata, Kanagawa, JP;
Takayuki Andoh, Kanagawa, JP;
Masahiro Samei, Osaka, JP;
Kota Shiodera, Tokyo, JP;
Hiroshi Yoshinaga, Chiba, JP;
Tomoyuki Nishikawa, Saitama, JP;
Yuusuke Furuichi, Kanagawa, JP;
Hiroyuki Shimada, Tokyo, JP;
Arinobu Yoshiura, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A heating device includes a rotator having an internal space, a heater heating the rotator, lubricant applied to the rotator, a rotator support supporting the rotator, and a cover. The rotator support has a first opening communicating with the internal space of the rotator, penetrating through the rotator support, and extending in the longitudinal direction. The cover covers the first opening and has a face facing the first opening and a second opening communicating with the internal space of the rotator and an exterior of the cover. The cover maintains a temperature of the face of the cover at 40° C. or higher.