Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6211746 | Integration method and integration circuit offering improved signal-to-noise ratio, and voltage-controlled oscillator and frequency-voltage converter employing integration circuit | Yuji Segawa | 2001-04-03 |
| 6100766 | Correction circuit controlling sensitivities of an oscillator circuit and electronic device using the same | Yuji Segawa | 2000-08-08 |
| 6064243 | Current switch and PLL in which it is used | Atsushi Matsuda, Yuji Segawa | 2000-05-16 |
| 5955925 | Digital AGC circuit | Yuji Segawa | 1999-09-21 |
| 5861771 | Regulator circuit and semiconductor integrated circuit device having the same | Atsushi Matsuda, Hirokazu Tanaka | 1999-01-19 |
| 5793257 | Oscillator having switching capacitors and phase-locked loop employing same | Noboru Inanami, Yuji Segawa | 1998-08-11 |
| 5684874 | Ringtrip judging circuit | Tetsuo Yagyu, Takahiro Watai, Hirokazu Tanaka, Tetsuji Funaki | 1997-11-04 |
| 5650652 | Input/output protection circuit and semiconductor device having the same | Toru Mizutani, Osamu Kobayashi | 1997-07-22 |
| 5633939 | Compander circuit | Kazuhiro Kitani, Yuji Segawa | 1997-05-27 |
| 5585795 | D/A converter including output buffer having a controllable offset voltage | Tachio Yuasa, Osamu Kobayashi | 1996-12-17 |
| 5579214 | Half-wave rectifier circuit | Kazuhiro Kitani, Yuji Segawa | 1996-11-26 |
| 5523721 | Digitally controlled variable gain circuit | Yuji Segawa, Yukinori Abe | 1996-06-04 |
| 5351860 | Coupling for breaking a seal film of a dispensing opening for a fluid-filled container | — | 1994-10-04 |
| 5351030 | Variable attenuator for attenuating gain of analog signal in accordance with digital signal | Osamu Kobayashi | 1994-09-27 |
| 5319345 | Variable resistor | Yukinori Abe, Yuji Segawa | 1994-06-07 |
| 5261677 | Seal ring | Yoshikazu Kobayashi | 1993-11-16 |
| 5252975 | Digital-to-analog converter having resistor networks | Tachio Yuasa, Osamu Kobayashi | 1993-10-12 |
| 5155385 | Semiconductor integrated circuit device having a bias supply current | Yuuji Sekido | 1992-10-13 |
| 5059890 | Constant current source circuit | Yoshinori Yoshikawa | 1991-10-22 |
| 4914400 | Differential amplifier circuit improved to shorten a circuit recovery time thereof | Osamu Kobayashi | 1990-04-03 |
| 4912425 | Operational amplifier circuit having stable operating point | Osamu Kobayashi | 1990-03-27 |
| 4835417 | Comparator circuit having improved output characteristics | Kunimitsu Kousaka, Osamu Kobayashi | 1989-05-30 |
| 4808852 | Input circuit having level shift | Kunimitsu Kousaka | 1989-02-28 |
| 4760376 | Electronic conversion circuit | Osamu Kobayashi | 1988-07-26 |
| 4743885 | Cyclic type D/A converter having error detection and correction system | Osamu Kobayashi, Yoshiaki Shimizu | 1988-05-10 |