YI

Yasufumi Ikkai

Sumitomo Electric Industries: 28 patents #554 of 21,551Top 3%
Overall (All Time): #140,057 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
7126248 Motor with stator formed by assembling divided stator-members into an annular shape, and compressor incorporating the same motor Noriyoshi Nishiyama, Seiji Okazaki 2006-10-24
7026741 Motor with stator formed by assembling divided stator-members into an annular shape, and compressor incorporating the same motor Noriyoshi Nishiyama, Seiji Okazaki 2006-04-11
6979924 Compressor using a motor Noriyoshi Nishiyama, Tomokazu Nakamura, Yukio Honda, Hiroshi Murakami, Shinichiro Kawano 2005-12-27
6836045 Electrical motor Hiroshi Murakami, Yuichiro Sadanaga, Taro Kishibe, Shinichiro Kawano, Toshiyuki Tamamura +2 more 2004-12-28
6759778 Electric vehicle using a motor Noriyoshi Nishiyama, Tomokazu Nakamura, Yukio Honda, Hiroshi Murakami, Shinichiro Kawano 2004-07-06
6741002 Motor having a rotor with interior split-permanent-magnet Noriyoshi Nishiyama, Tomokazu Nakamura, Masaki Ogushi, Yasuhiro Kondo 2004-05-25
6580239 Protecting device of electromobile Satoshi Tamaki, Yasuhiro Kondo 2003-06-17
6575257 Method for controlling vehicle drive motor Satoshi Tamaki, Masaki Tagome 2003-06-10
6541939 Motor controller Taro Kishibe 2003-04-01
6509665 Motor having stator with insulator of high heat-conductivity Noriyoshi Nishiyama 2003-01-21
6369480 Compressor using a motor Noriyoshi Nishiyama, Tomokazu Nakamura, Yukio Honda, Hiroshi Murakami, Shinichiro Kawano 2002-04-09
6356001 Electric vehicle using a motor Noriyoshi Nishiyama, Tomokazu Nakamura, Yukio Honda, Hiroshi Murakami, Shinichiro Kawano 2002-03-12
6340857 Motor having a rotor with interior split-permanent-magnet Noriyoshi Nishiyama, Tomokazu Nakamura, Masaki Ogushi, Yasuhiro Kondo 2002-01-22
6324038 Current control apparatus with overcurrent protective function for a motor Taro Kishibe 2001-11-27
6300700 Motor Noriyoshi Nishiyama, Tomokazu Nakamura, Yukio Honda, Hiroshi Murakami, Shinichiro Kawano 2001-10-09
6131057 Protecting device of electromobile Satoshi Tamaki, Yasuhiro Kondo 2000-10-10
6049153 Motor Noriyoshi Nishiyama, Tomokazu Nakamura, Yukio Honda, Hiroshi Murakami, Shinichiro Kawano 2000-04-11
5962999 Method of controlling a torque ripple of a motor having interior permanent magnets and a controller using the same method Tomokazu Nakamura, Noriyoshi Nishiyama 1999-10-05
5923728 Motor controller Satoshi Tamaki, Masaki Tagome, Mineaki Isoda, Tomokuni Iijima, Kazushige Narazaki 1999-07-13
5880570 Method and apparatus for controlling a synchronous motor Satoshi Tamaki, Yasuhiro Kondo 1999-03-09
5757161 Apparatus and method for limiting the speed of an electric motor Satoshi Tamaki 1998-05-26
5730238 Control method of electric car Satoshi Tamaki, Masaki Tagome 1998-03-24
5592355 Motor control circuit Satoshi Tamaki 1997-01-07
5504404 Method and apparatus for controlling motor Satoshi Tamaki, Yasuhiro Kondo 1996-04-02
5485375 Protecting device of electromobile Satoshi Tamaki, Yasuhiro Kondo 1996-01-16