TI

Tatsuro Ishizuka

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Overall (All Time): #1,290,982 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5548174 Steel rotor shafts of electric machines Masao Siga, Mitso Kuriyama, Takanobu Mori, Yutaka Fukui 1996-08-20
5437742 Steel rotor shafts for electric machines Masao Siga, Mitso Kuriyama, Takanobu Mori, Yutaka Fukui 1995-08-01
5288455 Steel for rotor shafts of electric machines and method and product thereof Masao Siga, Mitso Kuriyama, Takanobu Mori, Yutaka Fukui 1994-02-22
5063320 Feeder lead wire of rotor for electric machine Takashi Watanabe 1991-11-05