Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12115505 | Resistivity value regulating device and resistivity value regulating method | Naoki Hada, Kazumi Oi | 2024-10-15 |
| 11524267 | Resistivity value regulating device and resistivity value regulating method | Naoki Hada, Kazumi Oi | 2022-12-13 |