Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818287 | Light shielding blade material for optical apparatus | Takao Ogawa, Ryo Sakurai | 2004-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818287 | Light shielding blade material for optical apparatus | Takao Ogawa, Ryo Sakurai | 2004-11-16 |