Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5212413 | Stable, programmable low-dissipation reference circuit | Cathal G. Phelan, Thomas Davies, Cormac Michael O'Connell, Leonardus C. M. G. Pfennings, Henricus Kunnen +1 more | 1993-05-18 |
| 5160607 | Filter for aquarium | Helmut Thiemer, Walter Schottner | 1992-11-03 |
| 5157284 | Integrated circuit including an input buffer circuit having NAND and NOR gates | Cormac Michael O'Connell | 1992-10-20 |
| 5142347 | Power semiconductor component with emitter shorts | — | 1992-08-25 |
| 5093705 | Thyristor with reduced central zone thickness | — | 1992-03-03 |
| 5087840 | Integrated output buffer logic circuit with a memory circuit | Thomas Davies, Leonardus C. M. G. Pfennings, by Henricus J. Kunnen, legal representative, Cormac Michael O'Connell, Cathal G. Phelan +1 more | 1992-02-11 |
| 5065211 | Thyristor having cathode shorts | — | 1991-11-12 |
| 5040152 | Fast static random access memory with high storage capacity | Leonardus C. M. G. Pfennings, Cormac Michael O'Connell, Thomas Davies, Hans Ontrop, Cathal G. Phelan | 1991-08-13 |
| 5033024 | Matrix memory with redundancy and minimizes delay | Cormac Michael O'Connell, Leonardus C. M. G. Pfennings, by Henricus J. Kunnen, legal representative, Thomas Davies, Hans Ontrop +1 more | 1991-07-16 |
| 4987087 | Process for manufacturing a thyristor with proton irradiation | — | 1991-01-22 |
| 4951254 | Static memory unit having a plurality of test modes, and computer equipped with such units | Hans Ontrop, Roelof H. W. Salters, Betty Prince, Thomas Davies, Cathal G. Phelan +3 more | 1990-08-21 |
| 4931667 | Circuit arrangement for a dual bus line | Leonardus C. M. G. Pfennings, Cormac Michael O'Connell, Cathal G. Phelan, Thomas Davies, Hans Ontrop | 1990-06-05 |
| 4929911 | Push-pull output circuit having three transistors | Thomas Davies, Evert Seevinck, Leonardus C. M. G. Pfennings, Henricus J. Kennen, Cormac Michael O'Connell +2 more | 1990-05-29 |
| 4897706 | Thyristor protected against breakover firing | — | 1990-01-30 |
| 4812892 | Light controllable thyristors | — | 1989-03-14 |
| 4807198 | Memory input buffer with hysteresis and dc margin | Stephen T. Flannagan | 1989-02-21 |
| 4803538 | Thyristor with adjustable base-to-emitter resistance | — | 1989-02-07 |
| 4751680 | Bit line equalization in a memory | Karl L. Wang, Mark D. Bader | 1988-06-14 |
| 4610593 | Device for conveying and stacking sheets of paper | Dieter Osburg | 1986-09-09 |
| 4484736 | Device for stacking sheets of paper | Dieter Osburg | 1984-11-27 |
| 4352028 | Circuit arrangement for reducing the recovery time of a thyristor comprising R-C-D network between auxiliary and main emitters | — | 1982-09-28 |
| 4277307 | Method of restoring Si crystal lattice order after neutron irradiation | — | 1981-07-07 |
| 4255675 | Circuit arrangement for reducing the recovery time of a thyristor | Erhard Lehmann, Peter Wojtalla | 1981-03-10 |