KO

Kentaro Oi

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Car Engineering Co.: 1 patents #275 of 465Top 60%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
Overall (All Time): #1,537,853 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8344671 Speed controller of magnetic motor Kazuaki Tobari, Yasuo Notohara, Wataru Hatsuse, Dongsheng Li, Yuuji Funayama 2013-01-01
8305019 Torque controller for permanent magnet synchronous motor Kazuaki Tobari, Shigehisa Aoyagi 2012-11-06
7791295 Field weakening control apparatus for permanent magnet motor and electric power steering using same Kazuaki Tobari, Yoshitaka Iwaji, Mitsuo Sasaki, Tatsuo Matsumura 2010-09-07