Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8302737 | Main-shaft lubrication device | Takashi Norihisa, Tomoharu Ando | 2012-11-06 |
| 8065916 | Bearing state diagnostic apparatus | Takashi Norihisa, Tomoharu Ando | 2011-11-29 |
| 7997385 | Machine tool | — | 2011-08-16 |