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:
Mar. 28, 2017
Filed:
Aug. 07, 2014
Naoyuki Ishikawa, Kanagawa, JP;
Tetsuya Fujioka, Kanagawa, JP;
Hideo Kanai, Tokyo, JP;
Akihisa Mikawa, Kanagawa, JP;
Masamichi Yamada, Kanagawa, JP;
Yasunari Mikutsu, Tokyo, JP;
Satoshi Tsuchiya, Kanagawa, JP;
Yukimi Nishi, Tokyo, JP;
Naoyuki Ishikawa, Kanagawa, JP;
Tetsuya Fujioka, Kanagawa, JP;
Hideo Kanai, Tokyo, JP;
Akihisa Mikawa, Kanagawa, JP;
Masamichi Yamada, Kanagawa, JP;
Yasunari Mikutsu, Tokyo, JP;
Satoshi Tsuchiya, Kanagawa, JP;
Yukimi Nishi, Tokyo, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
An image projection apparatus includes: a grid portion provided on a housing of the apparatus and having a plurality of grids through which air flows in or out of the apparatus. The grid portion includes an edge portion of the grid portion, and a central portion of the grid portion, having a thickness thicker than a thickness of the edge portion of the grid portion.