Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9764446 | Rotary joint and polishing apparatus | Hideo Aizawa, Tadakazu Sone, Masao Umemoto | 2017-09-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9764446 | Rotary joint and polishing apparatus | Hideo Aizawa, Tadakazu Sone, Masao Umemoto | 2017-09-19 |