HK

Haruo Koharagi

HI Hitachi: 3 patents #512 of 4,225Top 15%
Overall (2003): #30,120 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6657350 Permanent magnet type rotating electrical machine, and power generation system and drive system using it Mamoru Kimura, Hiroyuki Mikami, Miyoshi Takahashi 2003-12-02
6552461 Permanent magnet type rotating electric machine Ryoichi Takahata, Shinichi Wakui, Satoshi Kikuchi, Miyoshi Takahashi, Masaharu Senoh +4 more 2003-04-22
6525442 Permanent magnet rotating electric machine Masaharu Senoh, Keiji Noma, Kohei Ishii, Kazuo Sato, Satoshi Kikuchi +2 more 2003-02-25