ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,928, issued on April 21, was assigned to SCREEN Holdings Co. Ltd. (Kyoto, Japan) and KYOCERA Corp. (Kyoto, Japan).
"Inkjet head" was invented by Takanori Tsuji (Kyoto, Japan), Tomonori Yasuda (Kyoto, Japan), Shigeki Matsuo (Kyoto, Japan) and Masaru Iwabuchi (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inkjet head includes an ejector unit that ejects ink in accordance with a driving signal and a drive substrate unit that outputs the driving signal. The drive substrate unit includes a drive substrate that generates the driving signal, a case that holds the drive substrate, a cooling jacket, and a connection port connected to the co...