Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12198742 | Dummy substrate and manufacturing method thereof | Sunao Kakita, Takahiro Kushino | 2025-01-14 |
| 11498135 | Gun drill machine | Hiroshi Inada, Masayuki Sato | 2022-11-15 |
| 8827769 | Method of producing substrate for magnetic recording media | Yasuyuki Nakanishi, Katsuhiro Yoshimura | 2014-09-09 |