Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8441312 | Reference current generating circuit | — | 2013-05-14 |
| 8242843 | Push-pull amplifier circuit and operational amplifier circuit using the same | — | 2012-08-14 |
| 8237502 | Amplifier with bias stabilizer | — | 2012-08-07 |
| 8026756 | Bandgap voltage reference circuit | — | 2011-09-27 |
| 7956686 | Differential amplifier with symmetric circuit topology | — | 2011-06-07 |
| 7852157 | Differential amplifier | — | 2010-12-14 |
| 7816989 | Differential amplifier | — | 2010-10-19 |
| 7688140 | Differential amplifier circuit | — | 2010-03-30 |
| 7515436 | Communication unit | Hiroyuki Shinoda, Naoya Asamura, Keiji Matsumoto, Yuichi Kasahara, Xinyu Wang +2 more | 2009-04-07 |
| 6486817 | Digital-analog conversion circuit capable of functioning at a low power supply voltage | Hirokazu Okada | 2002-11-26 |
| 6034518 | Stabilized current mirror circuit | — | 2000-03-07 |
| 6018271 | Amplifier circuit with wide dynamic range and low power consumption | — | 2000-01-25 |
| 6014057 | Amplifier circuit with wide dynamic range and low power consumption | — | 2000-01-11 |
| 5721513 | Gain controlled amplification circuit having differential amplifier | — | 1998-02-24 |
| 5673002 | Operational amplifier having stable operations for a wide range of source voltage, and current detector circuit employing a small number of elements | Osamu Kobayashi, Atsushi Matsuda | 1997-09-30 |
| 5606287 | Operational amplifier having stable operations for a wide range of source voltage, and current detector circuit employing a small number of elements | Osamu Kobayashi, Atsushi Matsuda | 1997-02-25 |
| 5585795 | D/A converter including output buffer having a controllable offset voltage | Osamu Kobayashi, Kunihiko Gotoh | 1996-12-17 |
| 5568147 | Digital-to-analog converter for reducing occupied area thereof | Atsushi Matsuda | 1996-10-22 |
| 5252975 | Digital-to-analog converter having resistor networks | Osamu Kobayashi, Kunihiko Gotoh | 1993-10-12 |