Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6294881 | Discharging tube with piezoelectric substrate | Shingo Miyazaki, Akio Sotokawa | 2001-09-25 |
| 6057653 | Discharging tube with voltage raising unit and discharging unit and discharging method thereof | Shingo Miyazaki, Akio Sotokawa | 2000-05-02 |