Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7636229 | Ion generating unit and ion generating apparatus | Shinji Kato | 2009-12-22 |
| 7564671 | Ion generator and method for controlling amount of ozone generated in the same | Shinji Kato | 2009-07-21 |
| 6937132 | High-voltage variable resistor | Shinji Kato | 2005-08-30 |