Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8554279 | Circuit for driving light-emitting element, and cellular phone | — | 2013-10-08 |
| 8279209 | Circuit for driving light-emitting element, and cellular phone | — | 2012-10-02 |
| 7864553 | Power supply circuit and portable device | — | 2011-01-04 |
| 7323753 | MOS transistor circuit and voltage-boosting booster circuit | Kazuo Henmi | 2008-01-29 |