Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10792742 | Main spindle unit and machine tool | — | 2020-10-06 |
| 10500658 | Gear chamfering device and gear processing machine equipped with said gear chamfering device | — | 2019-12-10 |
| 9802261 | Main spindle mechanism | — | 2017-10-31 |
| 9212891 | Method of calibrating gear measuring device | Naohiro Otsuki, Yoshikoto Yanase | 2015-12-15 |
| 9168602 | Gear grinding machine and gear grinding method | Naohiro Otsuki | 2015-10-27 |
| 9120166 | Chamfering device and gear processing machine provided therewith | Takahide Tokawa | 2015-09-01 |
| 8979616 | Gear processing machine | Toshifumi Katsuma, Michiaki Hashitani, Yuji Ashizawa | 2015-03-17 |
| 8939686 | Gear machining method | — | 2015-01-27 |
| 8215198 | Backlash eliminator | Kazuyuki Ishizu | 2012-07-10 |
| 8038563 | Index table | Toshifumi Katsuma, Michiaki Hashitani, Takayoshi Hirayama | 2011-10-18 |
| 7198543 | Gear grinding machine | Yoshikoto Yanase | 2007-04-03 |