Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476585 | Battery charger | — | 2002-11-05 |
| 6104165 | Multi-stage battery charging system | Isamu Miyamoto | 2000-08-15 |
| 5818202 | Charging apparatus and charging system | Isamu Miyamoto | 1998-10-06 |