MT

Miyoshi Takahashi

HI Hitachi: 7 patents #62 of 3,950Top 2%
Overall (2002): #3,829 of 266,432Top 2%
7
Patents 2002

Issued Patents 2002

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6462451 Permanent magnet rotating electric machine Mamoru Kimura, Haruo Koharagi, Hiroyuki Mikami 2002-10-08
6441523 Very high permanent magnet type electric rotating machine system Haruo Koharagi, Tsunehiro Endou, Tsukasa Taniguchi, Kouki Yamamoto, Satoshi Kikuchi +2 more 2002-08-27
6441525 Permanent magnet rotating electric machine Haruo Koharagi, Masaharu Senoh, Keiji Noma, Kohei Ishii, Kazuo Sato +3 more 2002-08-27
6380655 Variable-speed electromechanical energy converter Kazumasa Ide, Mamoru Nemoto, Seiji Takahashi 2002-04-30
6376958 Permanent magnet type synchronous motor and air compressor Haruo Koharagi, Tsukasa Taniguchi, Kouki Yamamoto, Satoshi Kikuchi, Haruo Miura +2 more 2002-04-23
6369478 Permanent-magnet-type electric rotating machine and air compressor and generator using the same Haruo Koharagi, Tsukasa Taniguchi, Shinichi Wakui, Yasuo Fukushima, Haruo Miura +1 more 2002-04-09
6359361 Armature winding and rotating electric machine using the same Shinichi Wakui, Kazumasa Ide, Ryoichi Shiobara, Hidenari Otani, Akitomi Semba +1 more 2002-03-19