Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6362553 | Rotary motor and production method thereof, and laminated core production method thereof | Yuji Nakahara, Kenichi Azuma, Masaru Matsumoto, Youichi Fujita, Satoru Akutsu +4 more | 2002-03-26 |
| 6323571 | Rotary motor and production method thereof, and laminated core and production method thereof | Yuji Nakahara, Ken-ichi Azuma, Masaru Matsumoto, Youichi Fujita, Satoru Akutsu +4 more | 2001-11-27 |
| 6167610 | Method of making a rotary motor | Yuji Nakahara, Ken-ichi Azuma, Masaru Matsumoto, Youichi Fujita, Satoru Akutsu +4 more | 2001-01-02 |
| 6121711 | Rotary motor and production method thereof, and laminated core and production method thereof | Yuji Nakahara, Ken-ichi Azuma, Masaru Matsumoto, Youichi Fujita, Satoru Akutsu +4 more | 2000-09-19 |
| 5859486 | Rotary motor and production method thereof, and laminated core and production method thereof | Yuji Nakahara, Ken-ichi Azuma, Masaru Matsumoto, Youichi Fujita, Satoru Akutsu +4 more | 1999-01-12 |