Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6912123 | Power supply device | Naoki Yamamoto, Tsurayoshi Imanishi | 2005-06-28 |
| 6381156 | Uninterruptible duplexed power supply system, and unit plug-in structure for uninterruptible duplexed power supply system | Tsurayoshi Imanishi | 2002-04-30 |
| 6212081 | Uninterruptible duplexed power supply system | — | 2001-04-03 |
| 6034514 | Switching regulator | — | 2000-03-07 |