← All themesEmergency & Safety Communication Systems
Technologies for transmitting critical alerts and information during emergencies, often involving wireless networks, specialized devices, and protocols to ensure timely and targeted communication to users or emergency services.
4,634 US filings from 901 companies since 2023 · 2023: 1,347 · 2024: 1,324 · 2025: 1,321 · 2026 YTD: 642
Alarm & Signaling SystemsWireless Networks
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | QUALCOMM Incorporated | 500 | 168 | 111 | 144 | 77 | +29.7% |
| 2 | Apple Inc. | 158 | 48 | 50 | 40 | 20 | -20.0% |
| 3 | SAMSUNG ELECTRONICS CO., LTD. | 140 | 35 | 39 | 37 | 29 | -5.1% |
| 4 | RapidSOS, Inc. | 130 | 36 | 31 | 42 | 21 | +35.5% |
| 5 | T-Mobile USA, Inc. | 116 | 30 | 30 | 29 | 27 | -3.3% |
| 6 | Nokia Technologies Oy | 112 | 22 | 37 | 41 | 12 | +10.8% |
| 7 | Huawei Technologies Co., Ltd. | 109 | 25 | 31 | 36 | 17 | +16.1% |
| 8 | Telefonaktiebolaget LM Ericsson (publ) | 108 | 37 | 29 | 23 | 19 | -20.7% |
| 9 | LG ELECTRONICS INC. | 105 | 43 | 33 | 18 | 11 | -45.5% |
| 10 | AT&T Intellectual Property I, L.P. | 91 | 23 | 24 | 23 | 21 | -4.2% |
| 11 | MOTOROLA SOLUTIONS, INC. | 82 | 21 | 24 | 17 | 20 | -29.2% |
| 12 | T-MOBILE INNOVATIONS LLC | 64 | 5 | 9 | 22 | 28 | +144.4% |
| 13 | NEC CORPORATION | 61 | 18 | 24 | 15 | 4 | -37.5% |
| 14 | Honeywell International Inc. | 51 | 8 | 13 | 18 | 12 | +38.5% |
| 15 | ZOLL Medical Corporation | 44 | 10 | 14 | 15 | 5 | +7.1% |
| 16 | SONY GROUP CORPORATION | 42 | 20 | 10 | 9 | 3 | -10.0% |
| 17 | VIVO MOBILE COMMUNICATION CO., LTD. | 38 | 14 | 4 | 15 | 5 | +275.0% |
| 18 | Intrado Life & Safety, Inc. | 36 | 4 | 8 | 16 | 8 | +100.0% |
| 19 | ZTE Corporation | 35 | 14 | 10 | 7 | 4 | -30.0% |
| 20 | BEIJING XIAOMI MOBILE SOFTWARE CO., LTD. | 34 | 8 | 9 | 11 | 6 | +22.2% |
| 21 | DISH Wireless L.L.C. | 30 | 3 | 5 | 13 | 9 | +160.0% |
| 22 | SUBARU CORPORATION | 30 | 11 | 9 | 4 | 6 | -55.6% |
| 23 | GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD. | 28 | 8 | 8 | 11 | 1 | +37.5% |
| 24 | Avive Solutions, Inc. | 26 | 6 | 10 | 10 | · | 0.0% |
| 25 | Verizon Patent and Licensing Inc. | 24 | 4 | 7 | 11 | 2 | +57.1% |