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. 19, 2020
Filed:
Oct. 25, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Daisuke Takamura, Fujinomiya, JP;
Fumihiko Yamaya, Mishima, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/043 (2006.01); G02B 26/12 (2006.01); G03G 15/04 (2006.01);
U.S. Cl.
CPC ...
G03G 15/043 (2013.01); G02B 26/12 (2013.01); G02B 26/125 (2013.01); G03G 15/0409 (2013.01); G02B 26/121 (2013.01);
Abstract
It is desired to reduce deformation of reflecting surfaces of a rotatable polygon mirror that is formed by using resin molding. The rotatable polygon mirror that is formed by resin molding is provided with recesses.