US Patent Issued to SEIKO EPSON on Nov. 3 for "Laser interferometer" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,106, issued on Nov. 3, was assigned to SEIKO EPSON Corp. (Japan).

"Laser interferometer" was invented by Jun Kitagawa (Matsumoto, Japan) and Kohei Yamada (Shiojiri, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A laser interferometer including: a laser light source configured to output laser light; a light splitter configured to split the laser light into first split light and second split light; a light modulator configured to modulate a frequency of the first split light to generate reference light; a light receiver configured to receive object light generated by the second split light reflected off by a target object, and the reference ligh...