KK

Kazuyoshi Kotake

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
📍 Hitachinaka, JP: #1,336 of 2,447 inventorsTop 55%
Overall (All Time): #2,304,584 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5248926 Control apparatus for induction motor and electric rolling stock Takeshi Kawazoe, Tadashi Takaoka 1993-09-28
4528487 Electric car control system Yoshiji Jimbo 1985-07-09