KN

Kiyoshi Nakata

HI Hitachi: 4 patents #332 of 4,225Top 8%
Sumitomo Electric Industries: 2 patents #687 of 3,885Top 20%
Overall (2003): #5,958 of 273,478Top 3%
6
Patents 2003

Issued Patents 2003

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6642689 Control apparatus for power converter Seiji Ishida, Toshiaki Okuyama, Takashi Ogawa, Tetsuo Kojima 2003-11-04
6633495 DC apparatus and vehicle using the same Seiji Ishda, Toshiaki Okuyama, Tetsuo Kojima, Akira Horie 2003-10-14
6600978 Railway vehicle operation-control system and a railway vehicle using the operation control system Masahiro Nagasu, Yutaka Sato, Shin Kimura 2003-07-29
D477292 Combined television and base Takashi Inoue, Satoshi Tanigawa 2003-07-15
D476632 Monitor/television receiver Takashi Inoue, Satoshi Tanigawa 2003-07-01
6556460 Method for controlling a vehicle provided with an electric power converter Seiji Ishida, Toshiaki Okuyama, Tetsuo Kojima, Akira Horie 2003-04-29