Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977550 | AGC circuit | Takuma Ishida, Keiichi Fujii | 2005-12-20 |
| 6972619 | Amplifier with a gain proportional to power source voltage | Masaharu Sato, Takuma Ishida | 2005-12-06 |
| 6891407 | Analog signal level detecting apparatus | Keiichi Fujii, Takuma Ishida | 2005-05-10 |