Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9705489 | Cascode transistor circuit | Ralf van Otten, Matthias Rose, Hendrik Johannes Bergveld | 2017-07-11 |
| 6298222 | Communication system, device and method | Hendrik Johannes Bergveld | 2001-10-02 |
| 5946207 | Power supply having a synchronous rectifier circuit for improved switching timing | — | 1999-08-31 |
| 5764205 | Picture display and selection driver and integrated driver circuit for use in such a picture display device | Terence Doyle, Nicolaas Lambert, James Joseph Anthony McCormack, Dirk J. A. Teuling | 1998-06-09 |
| 5757625 | Switched mode power supply with transformer and feedback via primary winding | — | 1998-05-26 |
| 5617503 | Motor control arrangement, and shaver comprising such a motor control arrangement | Robert J. Fronen, Paulus J. C. Van Leest | 1997-04-01 |
| 5418501 | Sawtooth oscillator | Eise C. Dijkmans | 1995-05-23 |
| 5412234 | Integrated semiconductor circuit having improved breakdown voltage characteristics | Adrianus W. Ludikhuize | 1995-05-02 |
| 5387882 | Switched capacitor charge pump and sawtooth oscillator using same | — | 1995-02-07 |
| 5369308 | Power transistor switching circuit with controlled turn-off | Johan Christiaan Halberstadt | 1994-11-29 |
| 5338949 | Semiconductor device having series-connected junction field effect transistors | — | 1994-08-16 |
| 5324978 | Semiconductor device having an improved breakdown voltage-raising structure | Adrianus W. Ludikhuize | 1994-06-28 |
| 5304865 | Comparator circuit comprising input signal attenuator | — | 1994-04-19 |
| 5105328 | Semiconductor circuit having an excess voltage protection circuit | — | 1992-04-14 |
| 5095261 | Transient protection circuit for a dc voltage supply | — | 1992-03-10 |
| 5068571 | Switched bridge circuit | — | 1991-11-26 |
| 4908551 | DC/AC bridge circuit | Adrianus W. Ludikhuize, Job F. P. van Mil | 1990-03-13 |
| 4841564 | DC-supply arrangement for a telecommunication line | — | 1989-06-20 |
| 4712091 | Digital/analog converter having a switchable reference current | Martinus P. M. Bierhoff, Job F. P. van Mil, Albert H. Slomp | 1987-12-08 |
| 4689501 | Signal level detector for compact disc player | Martinus P. M. Bierhoff, Job F. P. van Mil, Albert H. Slomp | 1987-08-25 |
| 4663749 | Apparatus for reproducing information from an optically readable record carrier | Martinus P. M. Bierhoff, Job F. P. van Mil, Albert H. Slomp | 1987-05-05 |
| 4642674 | Field effect semiconductor device having improved voltage breakdown characteristics | — | 1987-02-10 |
| 4608461 | Subscriber circuit for a telephone network | Aloysius J. Nijman | 1986-08-26 |
| 4535303 | Driver circuit | Aloysius J. Nijman | 1985-08-13 |
| 4484151 | Amplifier circuit | Aloysius J. Nijman, Job F. P. van Mil | 1984-11-20 |