Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5555160 | Light-guiding panel for surface lighting and a surface lighting body | Takeshi Kojima | 1996-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5555160 | Light-guiding panel for surface lighting and a surface lighting body | Takeshi Kojima | 1996-09-10 |