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:
Jul. 31, 2018
Filed:
Mar. 09, 2017
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Yohei Katsumata, Osaka, JP;
Masato Tanaka, Kyoto, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G03B 21/20 (2006.01); G02B 26/00 (2006.01); G02B 7/00 (2006.01); G03B 21/00 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); G02B 7/008 (2013.01); G02B 26/008 (2013.01); G03B 21/16 (2013.01); G03B 21/008 (2013.01); G03B 21/208 (2013.01); G03B 21/2066 (2013.01);
Abstract
A phosphor wheel device includes a phosphor and a substrate which has a disc shape and on which the phosphor is provided, and the phosphor is provided in at least a portion of a circumference of a circle on the substrate. The circle is centered on the center of a rotational shaft of the substrate. The substrate includes a first opening and a plurality of second openings, and the plurality of second openings extend radially with respect to the center of the rotational shaft.
Katsumata, Yohei. (2018). Phosphor wheel device and projector-type image display apparatus (U.S. Patent No. 10036944). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10036944
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile