Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9467062 | Capacitor input type smoothing circuit | Akihisa Hiromachi | 2016-10-11 |
| 8692472 | LED driving method and driving power source device | — | 2014-04-08 |
| 6006456 | Novelty card | Akihisa Hiromachi | 1999-12-28 |