ALEXANDRIA, Va., March 26 -- United States Patent no. D1,068,031, issued on March 25, was assigned to FUJIKIN Inc. (Osaka, Japan).
"Hybrid valve" was invented by Keisuke Ishibashi (Osaka, Japan), Ryo Sugimura (Osaka, Japan), Tadayuki Yakushijin (Osaka, Japan) and Akihiro Harada (Osaka, Japan).
The patent was filed on Feb. 21, 2022, under Application No. D/516,333.
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