AS

Akitomi Semba

HI Hitachi: 20 patents #1,757 of 28,497Top 7%
HC Hitachi Engineering & Services Co.: 2 patents #17 of 129Top 15%
MS Mitsubishi Hitachi Power Systems: 1 patents #495 of 970Top 55%
Overall (All Time): #210,388 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8882356 Horizontal shaft type rotary machine Kenichi Hattori, Tadaaki Kakimoto, Keiji Fugane, Makoto Hemmi 2014-11-11
8049378 Forced cooling rotary electric machine Kenichi Hattori, Tadaaki Kakimoto, Mitsuru Saeki, Mitsunori Sezaki, Takashi Shibata 2011-11-01
7939977 Rotary electrical device having particular coil support structure Kenichi Hattori, Tadaaki Kakimoto, Mitsuru Saeki, Takashi Shibata, Manabu Suzuki +1 more 2011-05-10
7898128 Forced cooling rotary electric machine Kenichi Hattori, Tadaaki Kakimoto, Mitsuru Saeki, Mitsunori Sezaki, Takashi Shibata 2011-03-01
7893574 Rotor of rotary-electric machine Kenichi Hattori, Mitsuru Saeki, Tadaaki Kakimoto, Takashi Watanabe, Manabu Suzuki +2 more 2011-02-22
7832934 Thrust bearing device Makoto Hemmi 2010-11-16
7825559 Rotating machine Akihito Nakahara, Kazuhiko Takahashi, Mamoru Kimura 2010-11-02
7728473 Electric rotating machine and manufacturing method of the same Fumihiko Goto, Juichi Enyama 2010-06-01
7638909 Rotor of rotary-electric machine Kenichi Hattori, Mitsuru Saeki, Tadaaki Kakimoto, Takashi Watanabe, Manabu Suzuki +2 more 2009-12-29
7521829 Electric rotating machine and manufacturing method of the same Fumihiko Goto, Juichi Enyama 2009-04-21
6936939 Rotating electric machine and cooling method thereof Mitsunori Yamashina, Kenichi Hattori, Akiyoshi Komura, Tadashi Sonobe, Junji Sato +2 more 2005-08-30
6737768 Rotating electric machine Kazumasa Ide, Kenichi Hattori, Akiyoshi Komura, Mitsunori Yamashina, Tadashi Sonobe +2 more 2004-05-18
6724107 Dynamo-electric machine Kazumasa Ide, Kenichi Hattori, Akiyoshi Komura, Mitsunori Yamashina, Tadashi Sonobe +2 more 2004-04-20
6538351 Rotating machine with plural coolers in plural ventilation passages Tadashi Sonobe, Takashi Watanabe, Yasuomi Yagi, Junji Sato, Shinsaku Hakuta +4 more 2003-03-25
6359351 Rotating machine Tadashi Sonobe, Takashi Watanabe, Yasuomi Yagi, Junji Sato, Shinsaku Hakuta +4 more 2002-03-19
6359361 Armature winding and rotating electric machine using the same Shinichi Wakui, Miyoshi Takahashi, Kazumasa Ide, Ryoichi Shiobara, Hidenari Otani +1 more 2002-03-19
6316852 Rotating machine Tadashi Sonobe 2001-11-13
6265795 Rotating machine Tadashi Sonobe, Takashi Watanabe, Yasuomi Yagi, Junji Sato, Shinsaku Hakuta +4 more 2001-07-24
6262501 Rotating machine Tadashi Sonobe, Takashi Watanabe, Yasuomi Yaji, Junji Sato, Shinsaku Hakuta +4 more 2001-07-17
6262502 Rotating machine Tadashi Sonobe, Takashi Watanabe, Yasuomi Yagi, Junji Sato, Shinsaku Hakuta +4 more 2001-07-17
6201323 Rotating machine Tadashi Sonobe, Takashi Watanabe, Yasuomi Yagi, Junji Sato, Shinsaku Hakuta +4 more 2001-03-13