ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,378, issued on June 17, was assigned to Daicel Corp. (Osaka, Japan).
"Manufacturing method for optical unit and manufacturing method for optical module" was invented by Takeshi Fujikawa (Tokyo), Makoto Yasuhara (Tokyo) and Sadayuki Fukui (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A manufacturing method for an optical unit includes: molding a first wafer in which a plurality of the first optical elements are formed; molding a second wafer in which a plurality of the second optical elements are formed; forming a bonding portion in a first peripheral portion surrounding the first optical element or a second peripheral portion corresponding t...