Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5323305 | Light emitting power supply circuit | Takaaki Ikeda, Akihiko Kuroiwa | 1994-06-21 |
| 5027040 | EL operating power supply circuit | Takaaki Ikeda, Akihiko Kuroiwa | 1991-06-25 |