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. 10, 2022
Filed:
Aug. 05, 2019
Nalux Co., Ltd., Osaka, JP;
Daisuke Seki, Osaka, JP;
Yukinobu Nishio, Osaka, JP;
Toru Inomata, Osaka, JP;
Masato Okano, Osaka, JP;
NALUX CO., LTD., Osaka, JP;
Abstract
A diffuser provided with plural shapes obtained by translation on an xy plane of at least one of z=g(x, y) and z=−g(x, y), z=g(x, y) being a smooth function within a rectangle having sides of length of s in x direction and sides of length of t in y direction, the origin being the center of the rectangle, wherein on the sides of the rectangle, and wherein z=g(x, y) has a single vertex at()()=()·(),first derivative of()is continuous in second derivative of()has a single point of discontinuity in first derivative of()is continuous in and second derivative of()has a single point of discontinuity in