RT

Ryoichi Takahata

HI Hitachi: 2 patents #899 of 4,225Top 25%
Overall (2003): #44,676 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6552461 Permanent magnet type rotating electric machine Shinichi Wakui, Haruo Koharagi, Satoshi Kikuchi, Miyoshi Takahashi, Masaharu Senoh +4 more 2003-04-22
6541880 Linear motor Takashi Okada, Kim Houng Joong, Kazuo Tahara, Kohji Maki, Kouki Yamamoto +2 more 2003-04-01