ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,933, issued on May 13, was assigned to YAMAHA HATSUDOKI K.K. (Shizuoka, Japan).
"Outboard motor" was invented by Kimitaka Saruwatari (Shizuoka, Japan), Akihiro Noma (Shizuoka, Japan), Ryo Nakanishi (Shizuoka, Japan), Isao Tateishi (Shizuoka, Japan), Makoto Mizutani (Shizuoka, Japan) and Kenji Yukishima (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An outboard motor includes a drive shaft, a coupling to connect a first shaft and a second shaft of the drive shaft together, and a transmission including a dog clutch to transmit a rotation of the drive shaft to a propeller shaft. The coupling includes a first portion attached to the fir...