Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348783 | DC/DC converter for suppressing effects of spike noise | — | 2002-02-19 |
| 6348833 | Soft starting reference voltage circuit | Hirokazu Tsujimoto | 2002-02-19 |
| 6320364 | Current source circuit | Katsutomi Harada | 2001-11-20 |
| 6140801 | Circuit and method for charging a battery based on an allowable dissipation of a housing | Shinobu Aoki | 2000-10-31 |
| 6057675 | DC/DC converter | — | 2000-05-02 |
| 5912552 | DC to DC converter with high efficiency for light loads | — | 1999-06-15 |
| 5262688 | Operational amplifier circuit | — | 1993-11-16 |
| 5023693 | Transistor with current sensing function | Shogo Mori | 1991-06-11 |