US Patent Issued to Sumitomo Electric Device Innovations, Sumitomo Electric Industries on Sept. 30 for "Optical device and manufacturing method for optical device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,657, issued on Sept. 30, was assigned to Sumitomo Electric Device Innovations Inc. (Yokohama, Japan) and Sumitomo Electric Industries Ltd. (Osaka, Japan).

"Optical device and manufacturing method for optical device" was invented by Kazushige Oki (Yokohama, Japan), Kazunobu Kobayashi (Osaka, Japan), Hiroshi Hara (Osaka, Japan), Eiji Tsumura (Osaka, Japan), Masanobu Kawamura (Yokohama, Japan), Satoshi Yoshimura (Osaka, Japan), Kuniyuki Ishii (Yokohama, Japan), Fumihiro Nakajima (Yokahama, Japan), Hideaki Kitajima (Yokohama, Japan) and Hideaki Kamisugi (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device according to one e...