Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12300091 | Building security systems with false alarm reduction features | Shawn D. Schubert | 2025-05-13 |
| 11595241 | Systems and methods for managing a security system | Marcin Dziduch, Abdul Razak | 2023-02-28 |
| 11228292 | Divided amplifier | Rahul Karmaker, Li-Chung Chang | 2022-01-18 |
| 11012457 | Building security analysis system with site-independent signature generation for predictive security analysis | Marcin Dziduch, Abdul Razak | 2021-05-18 |
| 10916121 | Virtual maintenance manager | Abdul Razak, Gopi Subramanian, Michael C. Stewart | 2021-02-09 |
| 10607478 | Building security system with false alarm reduction using hierarchical relationships | Michael C. Stewart, Gopi Subramanian | 2020-03-31 |
| 10600316 | Rules-based method of identifying misuse of emergency fire exits using data generated by a security alarm system | Marcin Dziduch, Abdul Razak | 2020-03-24 |
| 9712195 | Radio frequency low noise amplifier with on-chip matching and built-in tunable filter | Cheng-Han Wang, Jesse Aaron Richmond, Jin-Su Ko | 2017-07-18 |
| 8022780 | Auxiliary varactor for temperature compensation | Mazhareddin Taghivand, Jeongsik Yang, Sang-Oh Lee | 2011-09-20 |
| 7851947 | Methods and apparatuses for selectable voltage supply | Marco Cassia, Aristotele Hadjichristos, Sang-Oh Lee | 2010-12-14 |