US Patent Issued to SUMITOMO ELECTRIC INDUSTRIES., SUMITOMO ELECTRIC PRINTED CIRCUITS, MEC on July 29 for "Regenerating method of removal liquid and regenerated removal liquid preliminary" (Japanese Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,798, issued on July 29, was assigned to SUMITOMO ELECTRIC INDUSTRIES. LTD. (Osaka, Japan), SUMITOMO ELECTRIC PRINTED CIRCUITS INC (Shiga, Japan) and MEC COMPANY LTD. (Hyugo, Japan).

"Regenerating method of removal liquid and regenerated removal liquid preliminary" was invented by Ryuta Ohsuka (Osaka, Japan), Koji Nitta (Osaka, Japan), Shoichiro Sakai (Osaka, Japan), Yoshihito Yamaguchi (Shiga, Japan), Masaharu Yasuda (Osaka, Japan), Akira Tsuchiko (Osaka, Japan), Koji Kasuya (Osaka, Japan), Kenji Nishie (Hyogo, Japan) and Yu Fukui (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A regenerating method of a removal liquid including: removi...