Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7595969 | Undervoltage warning method, undervoltage warning circuit and switching power supply | — | 2009-09-29 |
| 6880967 | Remaining lifetime estimating method, temperature detecting structure and electronic equipment | Masashi Isozumi | 2005-04-19 |
| 6809923 | Power supply unit | Masashi Isozumi, Takashi Horie, Tadahiko Ogawa | 2004-10-26 |