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:
Jan. 20, 2026
Filed:
Mar. 18, 2024
Masahiro Samei, Osaka, JP;
Takayuki Andoh, Kanagawa, JP;
Kota Shiodera, Tokyo, JP;
Hiroshi Yoshinaga, Chiba, JP;
Toshiyuki Kabata, Kanagawa, JP;
Tomoyuki Nishikawa, Saitama, JP;
Yuusuke Furuichi, Kanagawa, JP;
Hiroyuki Shimada, Tokyo, JP;
Arinobu Yoshiura, Kanagawa, JP;
Masahiro Samei, Osaka, JP;
Takayuki Andoh, Kanagawa, JP;
Kota Shiodera, Tokyo, JP;
Hiroshi Yoshinaga, Chiba, JP;
Toshiyuki Kabata, Kanagawa, 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, a heater, lubricant, a rotator support, and a cover. The rotator has an internal space inside a loop of the rotator. The rotator has an internal space inside a loop of the rotator. The heater heats the rotator. The lubricant is applied to an inner circumferential surface of the rotator. The rotator support supports an end of the rotator in a longitudinal direction of the rotator. The rotator support has a first opening communicating with the internal space of the rotator and penetrating through the rotator support to extend in the longitudinal direction. The cover covers the first opening and has a second opening communicating between the internal space of the rotator and an external space outside the cover.