YI

Yoshitaka Iwaji

HI Hitachi: 6 patents #133 of 4,225Top 4%
Overall (2003): #4,791 of 273,478Top 2%
6
Patents 2003

Issued Patents 2003

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6650081 Synchronous motor driving system Tsunehiro Endo, Kiyoshi Sakamoto, Yuhachi Takakura 2003-11-18
6639377 Driving device for synchronous motor Tsunehiro Endo, Noriaki Yamada, Hiroshi Fujii, Kiyoshi Sakamoto 2003-10-28
6628099 Synchronous motor driving system and sensorless control method for a synchronous motor Tsunehiro Endo, Kiyoshi Sakamoto, Yuhachi Takakura 2003-09-30
6614137 Linear motor, driving and control system thereof and manufacturing method thereof Kim Houng Joong, Kohji Maki, Taizou Miyazaki, Tomoyuki Hanyu 2003-09-02
6570358 Control apparatus for alternating-current motor Junnosuke Nakatsugawa, Tsunehiro Endo, Hiromi Inaba, Yukio Kawabata, Hiroyuki Tomita +1 more 2003-05-27
6531843 Driving system of AC motor Tsunehiro Endo, Hiroshi Fujii, Tatsuo Ando 2003-03-11