Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7641718 | Electrostatic precipitator | Shigenobu Ohkura | 2010-01-05 |
| 7297185 | Electrostatic dust precipitator | Shigenobu Ohkura | 2007-11-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7641718 | Electrostatic precipitator | Shigenobu Ohkura | 2010-01-05 |
| 7297185 | Electrostatic dust precipitator | Shigenobu Ohkura | 2007-11-20 |