Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478438 | Side light type surface light source device | Tsuyoshi Ishikawa | 2002-11-12 |
| 6396634 | Surface light source device of side light type | Tsuyoshi Ishikawa | 2002-05-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478438 | Side light type surface light source device | Tsuyoshi Ishikawa | 2002-11-12 |
| 6396634 | Surface light source device of side light type | Tsuyoshi Ishikawa | 2002-05-28 |