Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385244 | Concrete structural system | Sherif A. Yehia, Nasser N. Qaddoumi | 2025-08-12 |
| 12381386 | Systems and methods for a power-line filter utilizing conductive concrete/shotcrete | Christopher Tuan | 2025-08-05 |
| 11956934 | Conductive concrete structure for doorless access to electromagnetic shielded structures | — | 2024-04-09 |
| 10848113 | High performance folded cascode current source with dual mirrors current feedback | — | 2020-11-24 |
| 10385519 | Systems and methods for construction of electrically conductive concrete slab with protection from current leakage | Christopher Tuan | 2019-08-20 |
| 10256006 | Electrically conductive concrete mix for electromagnetic (EM) ground plane | Christopher Tuan | 2019-04-09 |
| 10034418 | Concrete mix for shotcrete applications for electromagnetic shielding | Christopher Tuan | 2018-07-24 |
| 9681592 | Structural concrete mix for construction for electromagnetic wave/pulse shielding | Christopher Tuan | 2017-06-13 |
| 9278887 | Concrete mix for electromagnetic wave/pulse shielding | Christopher Tuan | 2016-03-08 |
| 8968461 | Concrete mix for electromagnetic wave/pulse shielding | Christopher Tuan, Bing Chen | 2015-03-03 |
| 6825444 | Heated bridge deck system and materials and method for constructing the same | Christopher Tuan, Sherif A. Yehia, Bing Chen | 2004-11-30 |
| 6442190 | Method and system for self-encoding a sequential string of data symbols for transmission via communication systems | — | 2002-08-27 |
| 5760941 | System and method for performing optical code division multiple access communication using bipolar codes | James Young, Benhaam Aazhang | 1998-06-02 |