Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7923978 | Regulator circuit having over-current protection | Shinji Kawashima | 2011-04-12 |
| 7683687 | Hysteresis characteristic input circuit including resistors capable of suppressing penetration current | Shinji Kawashima | 2010-03-23 |
| 7439795 | Charge pump circuit with reduced parasitic capacitance | Hiroshi Yanagigawa, Masayuki Ida | 2008-10-21 |