Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6094175 | Omni directional antenna | Frank J. Alessi, Cynthia A. Dixon, Parthasarathy Ramanujam | 2000-07-25 |
| 5794246 | Method for incremental aggregation of dynamically increasing database data sets | Mohan Sankaran, Sankaran Suresh, Diaz Nesamoney | 1998-08-11 |
| 5392008 | Orthomode transducer with side-port window | — | 1995-02-21 |
| 5305001 | Horn radiator assembly with stepped septum polarizer | Gregory D. Kroupa | 1994-04-19 |
| 5285176 | Flat cavity RF power divider | Harry Wong, Gary A. Hill, Gregory D. Kroupa | 1994-02-08 |
| 5134420 | Bicone antenna with hemispherical beam | Harold A. Rosen, Krishnan Raghavan, Gregory D. Kroupa | 1992-07-28 |
| 5061037 | Dual septum polarization rotator | Gregory D. Kroupa | 1991-10-29 |
| 5047738 | Ridged waveguide hybrid | Harry Wong | 1991-09-10 |
| 5038152 | Broad band omnidirectional monocone antenna | Samuel Wong, Gregory D. Kroupa, Robert C. Perpall | 1991-08-06 |
| 5006859 | Patch antenna with polarization uniformity control | Robert J. Patin, Brennan Trese, Krishnan Raghavan | 1991-04-09 |
| 5001493 | Multiband gridded focal plane array antenna | Robert J. Patin, Donald C. D. Chang | 1991-03-19 |
| 5001492 | Plural layer co-planar waveguide coupling system for feeding a patch radiator array | Sanford Shapiro, William N. Klimczak, Clinton W. Pederson | 1991-03-19 |
| 4980693 | Focal plane array antenna | Robert J. Patin, Donald C. D. Chang | 1990-12-25 |
| 4970480 | Microwave diplexer | Gregory D. Kroupa, Thomas F. Foster, Jr. | 1990-11-13 |
| 4965605 | Lightweight, low profile phased array antenna with electromagnetically coupled integrated subarrays | Donald C. D. Chang, Robert J. Patin, Stanley S. Chang | 1990-10-23 |
| 4965868 | Electromagnetic polarization selector | Gregory D. Kroupa | 1990-10-23 |
| 4882555 | Plural plane waveguide coupler | — | 1989-11-21 |
| 4818964 | Switchable multi-power-level short slot waveguide hybrid coupler | — | 1989-04-04 |
| 4812788 | Waveguide matrix including in-plane crossover | Robert J. Patin, Theodore S. Fishkin, Donald C. D. Chang | 1989-03-14 |
| 4810982 | Coaxial transmission-line matrix including in-plane crossover | — | 1989-03-07 |
| 4797681 | Dual-mode circular-polarization horn | Sidney J. Kaplan | 1989-01-10 |
| 4797643 | Coaxial hybrid coupler and crossing element | Samuel Wong | 1989-01-10 |
| 4788515 | Dielectric loaded adjustable phase shifting apparatus | Donald C. D. Chang | 1988-11-29 |
| 4737741 | Orthogonal mode electromagnetic wave launcher | — | 1988-04-12 |
| 4709826 | Apparatus for the retention of fluid flowing from a container | — | 1987-12-01 |