Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11139724 | Electric motor with brushes arranged at predetermined positions | Tetsuaki Ichikawa, Toshio Yamamoto | 2021-10-05 |
| 10348169 | Electric motor with brushes arranged at predetermined positions | Tetsuaki Ichikawa, Toshio Yamamoto | 2019-07-09 |
| 7772739 | Commutator, direct current motor, and manufacturing method of commutator | Yoshiki Nakano, Shinji Santo, Toshio Yamamoto | 2010-08-10 |
| 7605516 | Motor, commutator, short-circuit member, and a method for manufacturing the commutator | Shinji Santo, Toshio Yamamoto, Yoshiki Nakano | 2009-10-20 |
| 7569969 | Armature, rotating electric machine, DC motor, and brushless motor | Yoshiki Nakano, Akihiko Seki, Yoshitaka Tao, Ryohei Kageyama, Kazushi Sugishima +3 more | 2009-08-04 |
| 7569959 | Motor | Shinji Santo, Keiichi Uemura, Toshio Yamamoto | 2009-08-04 |
| 7352100 | Direct-current motor | Yasuhide Ito, Shinji Santo, Toshio Yamamoto, Yoshiki Nakano | 2008-04-01 |
| 7239063 | Motor having supply brushes | Toshio Yamamoto, Shinji Santo, Kazumitsu Moriya, Yasuhide Ito, Yoshiki Nakano | 2007-07-03 |
| 7188403 | Manufacturing method of armature comprising core constituted by assembling split core members | Toshio Yamamoto, Yasuhide Ito, Yoshiki Nakano | 2007-03-13 |
| 7109628 | Motor having supply brushes | Toshio Yamamoto, Shinji Santo, Kazumitsu Moriya, Kaname Egawa | 2006-09-19 |
| 6977456 | Core having axially assembled core sub-parts and dynamo-electric machine member having the same | Toshio Yamamoto, Shinji Santo, Yasuhide Ito, Kazumitsu Moriya, Takayoshi Suzuki | 2005-12-20 |
| 6903480 | Core having axially assembled core sub-parts and dynamo-electric machine member having the same | Toshio Yamamoto, Shinji Santo, Yasuhide Ito, Kazumitsu Moriya, Takayoshi Suzuki +1 more | 2005-06-07 |
| 6809446 | Yoke housing and motor | Toshio Yamamoto, Tomoyuki Kikuta, Masahiko Komoda, Hideki Toida, Keiichi Uemura | 2004-10-26 |
| 6803695 | Armature, manufacturing method of armature, and motor | Toshio Yamamoto, Keiichi Uemura, Tomoyuki Kikuta, Masahiko Komoda, Hideki Toida | 2004-10-12 |
| 6756717 | Motor | Toshio Yamamoto, Shinji Santo | 2004-06-29 |