Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5570074 | Very low leakage inductance, single-laminate transformer | Robert Louis Steigerwald, Waseem A. Roshen | 1996-10-29 |
| 5414401 | High-frequency, low-profile inductor | Waseem A. Roshen | 1995-05-09 |
| 5291173 | Z-foldable secondary winding for a low-profile, multi-pole transformer | Waseem A. Roshen | 1994-03-01 |
| 5206621 | Barrel-wound conductive film transformer | — | 1993-04-27 |
| 5179512 | Gate drive for synchronous rectifiers in resonant converters | Rayette Ann Fisher, Robert Louis Steigerwald | 1993-01-12 |
| 5134770 | Method of fabricating a high-frequency transformer | Khai D. T. Ngo | 1992-08-04 |
| 5126715 | Low-profile multi-pole conductive film transformer | Waseem A. Roshen | 1992-06-30 |
| 5084958 | Method of making conductive film magnetic components | Khai D. T. Ngo | 1992-02-04 |
| 5043859 | Half bridge device package, packaged devices and circuits | Charles Steven Korman, Sayed-Amr El-Hamamsy, Constantine A. Neugebauer | 1991-08-27 |
| 5017902 | Conductive film magnetic components | Khai D. T. Ngo | 1991-05-21 |
| 4959630 | High-frequency transformer | Khai D. T. Ngo | 1990-09-25 |
| 4905075 | Hermetic semiconductor enclosure | Victor A. K. Temple | 1990-02-27 |
| 4829014 | Screenable power chip mosaics, a method for fabricating large power semiconductor chips | — | 1989-05-09 |
| 4824716 | Impermeable encapsulation system for integrated circuits | — | 1989-04-25 |
| 4816422 | Fabrication of large power semiconductor composite by wafer interconnection of individual devices | Constantine A. Neugebauer | 1989-03-28 |
| 4809135 | Chip carrier and method of fabrication | — | 1989-02-28 |
| 4764485 | Method for producing via holes in polymer dielectrics | James A. Loughran, James G. McMullen | 1988-08-16 |
| 4716124 | Tape automated manufacture of power semiconductor devices | James A. Loughran | 1987-12-29 |
| 4646129 | Hermetic power chip packages | Constantine A. Neugebauer | 1987-02-24 |
| 4635092 | Tape automated manufacture of power semiconductor devices | James A. Loughran | 1987-01-06 |
| 4538170 | Power chip package | — | 1985-08-27 |
| 4500029 | Electrical assembly including a conductor pattern bonded to a non-metallic substrate and method of fabricating such assembly | — | 1985-02-19 |
| 4341594 | Method of restoring semiconductor device performance | Richard O. Carlson | 1982-07-27 |
| 4331970 | Use of dispersed solids as fillers in polymeric materials to provide material for semiconductor junction passivation | — | 1982-05-25 |
| 4236404 | Device for monitoring dissolved gases in electrical insulating liquids such as transformer oils | Marshall D. Ketchum | 1980-12-02 |