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. 04, 2022
Filed:
Jul. 20, 2020
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Shuntaroh Tamaki, Kanagawa, JP;
Junichi Matsumoto, Kanagawa, JP;
Tatsuya Kubo, Kanagawa, JP;
Hiroaki Okamoto, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 21/12 (2006.01); G03G 15/00 (2006.01); G03G 21/10 (2006.01);
U.S. Cl.
CPC ...
G03G 21/12 (2013.01); G03G 15/50 (2013.01); G03G 21/105 (2013.01);
Abstract
A powder collection device includes a collection container configured to store powder collected and a powder amount detector including a pair of electrodes. The powder amount detector detects an amount of powder in the collection container based on capacitance between the pair of electrodes.