Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653960 | Stabilized power supply using delta sigma modulator | Atsushi Mitamura | 2003-11-25 |
| 6650099 | Switching power supply | Atsushi Mitamura | 2003-11-18 |
| 6636118 | High-frequency power amplification module and radio communication device | Cyushiro Kusano, Eiichi Hase, Osamu Kagaya, Yasunari Umemoto, Takahiro Fujita +1 more | 2003-10-21 |
| 6621257 | DC-DC converter | Atsushi Mitamura | 2003-09-16 |