Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670846 | Semiconductor integrated circuit including a filter with adjustable cut-off frequency | Seiji Yamamoto | 2003-12-30 |
| 6130565 | Charge pump circuit, PLL circuit, and pulse-width modulation circuit | Hideo Nagano | 2000-10-10 |
| 5900780 | Amplifier circuit for CMOS operational amplifier | Miki Hirose | 1999-05-04 |
| 5274373 | Digital analog converter | — | 1993-12-28 |
| 5008676 | Digital/analog converter | — | 1991-04-16 |