Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764655 | Photocatalyst filter for a light leakage type | Yoshikazu Nishii, Jumpei Hama | 2004-07-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764655 | Photocatalyst filter for a light leakage type | Yoshikazu Nishii, Jumpei Hama | 2004-07-20 |