KK

Keiichi Kohroki

OE Otis Elevator: 4 patents #397 of 1,840Top 25%
📍 Ebeye: #1,220 of 4,528 inventorsTop 30%
Overall (All Time): #1,287,290 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5844334 Traction machine motor with improved cooling Kazuhisa Sasaki 1998-12-01
5365131 Linear motor primary Yoshiaki Naito, Masayuki Kawaguchi 1994-11-15
5298819 Winding arrangement for a tubular linear motor Manabu Suganuma, Takayuki Mizuno, Masayukii Kawaguchi 1994-03-29
5276293 Tubular linear motor primary element Eiji Narumi 1994-01-04