Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7360389 | Manufacturing method of armature shaft, armature shaft and rotary electric machine | Keiji Inoue, Takayoshi Sasaki, Nobuyuki Matsumoto, Masanori Takeuchi | 2008-04-22 |
| 7231794 | Method for manufacturing a worm shaft | — | 2007-06-19 |
| 7169023 | Method and apparatus for manufacturing hourglass worm rolling die | Takayoshi Sasaki, Toshikatsu Nakashima | 2007-01-30 |