ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,116, issued on July 15, was assigned to MAXELL IZUMI Co. LTD. (Matsumoto, Japan).
"Electric tool" was invented by Keiichiro Kamijo (Matsumoto, Japan) and Katsutoshi Kochiyama (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric tool is configured that oil pressure can be rapidly increased while suppressing the load on a motor. The electric tool includes a main body in which a cylinder part, a hydraulic pump for feeding hydraulic oil to the cylinder part and an electric motor are disposed, and a tool head operated by a pressing force of a piston in the cylinder part. The hydraulic pump has a swash plate cam, a first plunger, a...