Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926454 | Electromagnetic driving unit and light quantity regulating apparatus using the same | Hiroaki Naganuma | 2005-08-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926454 | Electromagnetic driving unit and light quantity regulating apparatus using the same | Hiroaki Naganuma | 2005-08-09 |