Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733143 | Light shielding structure | Hiroshi Anzai, Hirokazu Yamamoto, Yoshimi Imamoto, Takao Kanno | 2004-05-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733143 | Light shielding structure | Hiroshi Anzai, Hirokazu Yamamoto, Yoshimi Imamoto, Takao Kanno | 2004-05-11 |