OK

Osamu Koizumi

HI Hitachi: 51 patents #272 of 28,497Top 1%
HC Hitachi Car Engineering Co.: 29 patents #5 of 465Top 2%
SO Sony: 22 patents #1,822 of 25,231Top 8%
TL Tokyo Electron Limited: 13 patents #516 of 5,567Top 10%
3M: 2 patents #5,326 of 11,543Top 50%
HC Hitachi Automotive Engineering Co.: 1 patents #156 of 314Top 50%
Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
AM Asahi Kasei Microdevices: 1 patents #116 of 231Top 55%
Overall (All Time): #18,455 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 26–50 of 89 patents

Patent #TitleCo-InventorsDate
6876117 Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine Fumio Tajima, Yutaka Matsunobu, Shouichi Kawamata, Suetaro Shibukawa, Keiji Oda 2005-04-05
6849983 Rotary machine having bypath magnetic path blocking magnetic barrier Fumio Tajima, Yutaka Matsunobu, Masashi Kitamura, Kiyoshi Yamaguchi, Suetaro Shibukawa +5 more 2005-02-01
6822360 Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine Fumio Tajima, Yutaka Matsunobu, Shouichi Kawamata, Suetaro Shibukawa, Keiji Oda 2004-11-23
6798103 Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine Fumio Tajima, Yutaka Matsunobu, Shouichi Kawamata, Suetaro Shibukawa, Keiji Oda 2004-09-28
6734592 Permanent magnet rotating electric machine and electrically driven vehicle employing same Fumio Tajima, Yutaka Matsunobe, Shouichi Kawamata, Suetaro Shibukawa, Keiji Oda 2004-05-11
6700282 Rotary electric machine and method for connecting stator conductors Yoshimi Mori, Takashi Yasuhara, Masaaki Hayashi, Shinji Kikawa 2004-03-02
6661147 Electric vehicle and rotary electric machine having a divided rotor core Fumio Tajima, Yutaka Matsunobu, Shouichi Kawamata, Suetaro Shibukawa, Takashi Kobayashi 2003-12-09
6548933 Stator of rotating electric machine Takashi Yasuhara, Suetarou Shibukawa, Hiromichi Anan, Syuichi Hara, Toshiaki Ueda +4 more 2003-04-15
6528920 Permanent magnet rotary machine and electric vehicle using the same Yutaka Matsunobu, Fumio Tajima, Shouichi Kawamata, Suetaro Shibukawa 2003-03-04
6481089 Method for manufacturing an electromotive machine having an insulated coil Yuji Enomoto, Noriaki Yamamoto, Yukinori Taneda, Suetaro Shibukawa, Fumio Tajima 2002-11-19
6452302 Rotary electric machine and electric vehicle using the same Fumio Tajima, Yutaka Matsunobu, Shouichi Kawamata, Suetaro Shibukawa, Takashi Kobayashi 2002-09-17
6445100 Permanent magnet dynamo electric machine Fumio Tajima, Yutaka Matsunobu, Shouichi Kawamata, Suetaro Shibukawa, Keiji Oda 2002-09-03
6429565 Permanent magnet type electric rotating machine and hybrid electric vehicle using it Yutaka Matsunobu, Fumio Tajima, Shouichi Kawamata, Sanshiro Obara 2002-08-06
6404152 Motor control device Takashi Kobayashi, Fumio Tajima, Shoichi Kawamata, Yutaka Matsunobu, Ryoso Masaki +1 more 2002-06-11
6396183 Permanent magnet rotating electric machine and electrically driven vehicle employing same Fumio Tajima, Yutaka Matsunobe, Shouichi Kawamata, Suetaro Shibukawa, Keiji Oda 2002-05-28
6299087 Data cartridge having a reduced static charge 2001-10-09
6242837 Permanent magnet rotary machine and electric vehicle using the same Yutaka Matsunobu, Fumio Tajima, Shouichi Kawamata, Suetaro Shibukawa 2001-06-05
6239525 Permanent magnet dynamoelectric rotating machine and electric vehicle equipped with the same Yutaka Matsunobu, Fumio Tajima, Takashi Kobayashi, Shouichi Kawamata, Suetaro Shibukawa +1 more 2001-05-29
6229241 Structure and manufacturing method for motor and stator Takashi Ishigami, Yukinori Taneda, Toshihiko Sakai, Hiromichi Hiramatsu, Noriaki Yamamoto +5 more 2001-05-08
6208054 Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machine Fumio Tajima, Yutaka Matsunobu, Shouichi Kawamata, Suetaro Shibukawa, Keiji Oda 2001-03-27
6188157 Parmanent magnet dynamo electric machine Fumio Tajima, Yutaka Matsunobu, Shouichi Kawamata, Suetaro Shibukawa, Keiji Oda 2001-02-13
6175468 Reproducing apparatus with auxiliary shutter configuration Takanobu Iwama 2001-01-16
6133662 Permanent magnet dynamoelectric rotating machine and electric vehicle equipped with the same Yutaka Matsunobu, Fumio Tajima, Takashi Kobayashi, Shouichi Kawamata, Suetaro Shibukawa +1 more 2000-10-17
6034460 Permanent magnet rotating electric machine and electrically driven vehicle employing same Fumio Tajima, Yutaka Matsunobe, Shouichi Kawamata, Suetaro Shibukawa, Keiji Oda 2000-03-07
6034459 Permanent magnet type dynamo electric machine and electric vehicle using the same Yutaka Matsunobu, Fumio Tajima, Shouichi Kawamata, Takashi Kobayashi, Suetaro Shibukawa 2000-03-07