Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6838798 | Permanent magnet type rotating electric machine | Ryoichi Takahata, Shinichi Wakui, Haruo Koharagi, Satoshi Kikuchi, Miyoshi Takahashi +4 more | 2005-01-04 |
| 6552461 | Permanent magnet type rotating electric machine | Ryoichi Takahata, Shinichi Wakui, Haruo Koharagi, Satoshi Kikuchi, Miyoshi Takahashi +4 more | 2003-04-22 |
| 6354743 | Rolling bearing | Hiromitsu Muraki, Hiroshi Tani, Toru Takamizawa | 2002-03-12 |
| 6293702 | Rolling bearing | Hiromitsu Muraki, Hiroshi Tani, Toru Takamizawa | 2001-09-25 |