TK

Tetsuo Kojima

HI Hitachi: 3 patents #512 of 4,225Top 15%
📍 Chiyoda, JP: #20 of 181 inventorsTop 15%
Overall (2003): #20,702 of 273,478Top 8%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6642689 Control apparatus for power converter Seiji Ishida, Toshiaki Okuyama, Takashi Ogawa, Kiyoshi Nakata 2003-11-04
6633495 DC apparatus and vehicle using the same Seiji Ishda, Toshiaki Okuyama, Kiyoshi Nakata, Akira Horie 2003-10-14
6556460 Method for controlling a vehicle provided with an electric power converter Seiji Ishida, Toshiaki Okuyama, Kiyoshi Nakata, Akira Horie 2003-04-29