OK

Osamu Koizumi

HI Hitachi: 4 patents #146 of 3,189Top 5%
HC Hitachi Car Engineering Co.: 2 patents #14 of 115Top 15%
Overall (2005): #10,223 of 245,428Top 5%
4
Patents 2005

Issued Patents 2005

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6963154 Permanent magnet type electric rotating machine and hybrid electric vehicle using it Yutaka Matsunobu, Fumio Tajima, Shouichi Kawamata, Sanshiro Obara 2005-11-08
6949856 Permanent magnet rotating electric machine and electrically driven vehicle employing same Fumio Tajima, Yutaka Matsunobe, Shouichi Kawamata, Suetaro Shibukawa, Keiji Oda 2005-09-27
6876117 Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine Fumio Tajima, Yutaka Matsunobu, Shouichi Kawamata, Suetaro Shibukawa, Keiji Oda 2005-04-05
6849983 Rotary machine having bypath magnetic path blocking magnetic barrier Fumio Tajima, Yutaka Matsunobu, Masashi Kitamura, Kiyoshi Yamaguchi, Suetaro Shibukawa +5 more 2005-02-01