Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055115 | Air cleaner including an electrostatic precipitator | Hiroaki Kanazawa | 1991-10-08 |
| 5034032 | Air cleaner and air filter | Hiroaki Kanazawa | 1991-07-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055115 | Air cleaner including an electrostatic precipitator | Hiroaki Kanazawa | 1991-10-08 |
| 5034032 | Air cleaner and air filter | Hiroaki Kanazawa | 1991-07-23 |