Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8979616 | Gear processing machine | Toshifumi Katsuma, Koichi Masuo, Yuji Ashizawa | 2015-03-17 |
| 8038563 | Index table | Toshifumi Katsuma, Koichi Masuo, Takayoshi Hirayama | 2011-10-18 |