US Patent Issued to SUBARU on Feb. 3 for "Helicopter" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,961, issued on Feb. 3, was assigned to SUBARU Corp. (Tokyo).

"Helicopter" was invented by Mizuki Nakamura (Tokyo), Shuzou Hakuta (Tokyo), Hirotoshi Tsukamoto (Tokyo), Masafumi Sasaki (Tokyo), Ryusuke Sakamoto (Tokyo), Takumi Shinotsuka (Tokyo), Mitsunori Fukudome (Tokyo), Hiroshi Nagai (Tokyo), Hiroshi Taguchi (Tokyo) and Toshihiro Yokoyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vertical tail of a helicopter has a leading edge and a trailing edge concave toward the leading edge. The helicopter includes a main rotor and a tail rotor for generating anti-torque to cancel torque generated by rotation of the main rotor. The trailing edge ...