Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5931555 | Background lighting apparatus for liquid crystal display | Fumiaki Akahane, Tooru Yagasaki | 1999-08-03 |
| 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 |
| 5171195 | Miniature reduction gear | — | 1992-12-15 |