US Patent Issued to THE JAPAN STEEL WORKS on June 2 for "Test apparatus and test method" (Japanese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,824, issued on June 2, was assigned to THE JAPAN STEEL WORKS LTD. (Tokyo).

"Test apparatus and test method" was invented by Takayuki Mori (Tokyo) and Seiya Hiramatsu (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A test apparatus includes a container 2, a sample 12 and metal bodies 13 and 14 which are immersed in a solution 11 in the container 2, a jig 3, an ammeter 16, and a voltmeter 17. The sample 12, the metal body 13, and the metal body 14 are made of the same metal material and have the same surface area. While pressing the jig 3 rotating relative to the sample 12 against a surface of the sample 12, a current between the sample 12 and th...