US Patent Issued to SHIMADZU on July 8 for "Autosampler for chromatograph and fluid chromatography system" (Japanese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,731, issued on July 8, was assigned to SHIMADZU Corp. (Kyoto, Japan).

"Autosampler for chromatograph and fluid chromatography system" was invented by Tsutomu Okoba (Kyoto, Japan) and Shohei Sato (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a sucking operation, predetermined amount of a sample is sucked by using a needle from a sample container in which the sample to be analyzed is contained. A sensor circuit, which is electrically conducted to the needle, outputs different levels of signals when a tip of the needle is in contact with liquid and when the tip of the needle is not in contact with liquid. A liquid-contacting detector d...