TS

Tadashi Sonobe

HI Hitachi: 15 patents #2,636 of 28,497Top 10%
Overall (All Time): #327,306 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6936939 Rotating electric machine and cooling method thereof Mitsunori Yamashina, Kenichi Hattori, Akiyoshi Komura, Akitomi Semba, Junji Sato +2 more 2005-08-30
6737768 Rotating electric machine Kazumasa Ide, Kenichi Hattori, Akiyoshi Komura, Mitsunori Yamashina, Akitomi Semba +2 more 2004-05-18
6724107 Dynamo-electric machine Kazumasa Ide, Kenichi Hattori, Akiyoshi Komura, Mitsunori Yamashina, Akitomi Semba +2 more 2004-04-20
6538351 Rotating machine with plural coolers in plural ventilation passages Akitomi Semba, Takashi Watanabe, Yasuomi Yagi, Junji Sato, Shinsaku Hakuta +4 more 2003-03-25
6426578 Electric rotating machine Hideaki Mori, Shigeo Amagi, Saburo Usami, Yasuomi Yagi, Tomoya Tsunoda +1 more 2002-07-30
6359350 Rotary electric machine Masayuki Kaiho, Hideaki Mori, Shigekazu Kieda, Ryoichi Shiobara, Akitomi Senba +2 more 2002-03-19
6359351 Rotating machine Akitomi Semba, Takashi Watanabe, Yasuomi Yagi, Junji Sato, Shinsaku Hakuta +4 more 2002-03-19
6316852 Rotating machine Akitomi Semba 2001-11-13
6288461 Electric rotary machine Hideaki Mori, Kado Miyakawa, Hiroshi Kimoto, Takashi Shibata, Shingo Yokoyama 2001-09-11
6265795 Rotating machine Akitomi Semba, Takashi Watanabe, Yasuomi Yagi, Junji Sato, Shinsaku Hakuta +4 more 2001-07-24
6262501 Rotating machine Akitomi Semba, Takashi Watanabe, Yasuomi Yaji, Junji Sato, Shinsaku Hakuta +4 more 2001-07-17
6262502 Rotating machine Akitomi Semba, Takashi Watanabe, Yasuomi Yagi, Junji Sato, Shinsaku Hakuta +4 more 2001-07-17
6242825 Electric rotating machine with reduced thickness and volume of insulation Hideaki Mori, Shigeo Amagi, Saburo Usami, Yasuomi Yagi, Tomoya Tsunoda +1 more 2001-06-05
6201323 Rotating machine Akitomi Semba, Takashi Watanabe, Yasuomi Yagi, Junji Sato, Shinsaku Hakuta +4 more 2001-03-13
4331897 Commutator apparatus for rotary electric machine Mitsuhiro Nitobe, Shinzi Saruwatari, Sueo Kawai, Toshio Hattori 1982-05-25