Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D387430 | Natural illumination device | Masashi Takazawa, Kazuo Takahashi | 1997-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D387430 | Natural illumination device | Masashi Takazawa, Kazuo Takahashi | 1997-12-09 |