ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,564, issued on Aug. 5, was assigned to NICHIA Corp. (Anan, Japan).
"Method of manufacturing lens and light emitting device" was invented by Tsuyoshi Okahisa (Tokushima, Japan), Toshiyuki Fujii (Anan, Japan) and Tomohisa Kishimoto (Anan, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a lens including forming a cover blank having cover parts by injecting a thermosetting first resin in a first mold and curing the thermosetting first resin, removing a part or all parts of the first mold, and arranging the cover blank in a second mold. The method further includes forming a lens blank having a light-shielding part between ad...