Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667289 | Background lighting apparatus for liquid crystal display | Fumiaki Akahane, Tooru Yagasaki | 1997-09-16 |
| 5619351 | Surface-type illumination device and liquid crystal display | Toru Yagasaki, Fumiaki Akahane | 1997-04-08 |