Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7192162 | Spotlight | Tsunemichi Tanaka | 2007-03-20 |
| 6837596 | Lighting device | Tsunemichi Tanaka, Masaki Asaoku, Keijiro Asakura | 2005-01-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7192162 | Spotlight | Tsunemichi Tanaka | 2007-03-20 |
| 6837596 | Lighting device | Tsunemichi Tanaka, Masaki Asaoku, Keijiro Asakura | 2005-01-04 |