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:
Apr. 02, 2024
Filed:
Jul. 17, 2019
Ngk Spark Plug Co., Ltd., Nagoya, JP;
Shohei Takaku, Nagoya, JP;
Yusuke Katsu, Nagoya, JP;
Tsuneyuki Ito, Nagoya, JP;
Toshiaki Kurahashi, Nagoya, JP;
Hideto Yamada, Nagoya, JP;
NITERRA CO., LTD., Nagoya, JP;
Abstract
In one aspect of the present disclosure, there is provided an optical wavelength conversion member including a polycrystalline ceramic sintered body containing, as main components, AlOcrystal grains and crystal grains represented by formula XAlO:Ce. In the optical wavelength conversion member, atoms of element X are present also in an AlOcrystal grain adjacent to the interface between the AlOcrystal grain and an XAlO:Ce crystal grain.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile