Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8396679 | Secondary cell degradation state judgment system | Shinichi Kitamura | 2013-03-12 |
| 6912123 | Power supply device | Setsuo Sakai, Naoki Yamamoto | 2005-06-28 |
| 6381156 | Uninterruptible duplexed power supply system, and unit plug-in structure for uninterruptible duplexed power supply system | Setsuo Sakai | 2002-04-30 |