US Patent Issued to HAMAMATSU PHOTONICS on April 15 for "External resonant laser module" (Japanese Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,463, issued on April 15, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

"External resonant laser module" was invented by Atsushi Sugiyama (Hamamatsu, Japan), Takahide Ochiai (Hamamatsu, Japan), Tadataka Edamura (Hamamatsu, Japan) and Naota Akikusa (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The laser module includes a QCL element, a MEMS diffraction grating, a lens holder holding a lens disposed between the QCL element and the MEMS diffraction grating, a package, an electrode terminal disposed along an inner wall surface of the package, and a wire for electrically connecting the electrode terminal and a coil. The to...