Patent Theme
Physical Layer & Interface Optimization
Enhancements to the physical and data link layers of network communication, focusing on hardware components, signal integrity, power efficiency, and efficient data transfer mechanisms for specific interfaces and buses.
6,277 US filings from 890 companies since 2023 · 2023: 1,710 · 2024: 1,879 · 2025: 1,927 · 2026 YTD: 761
Routing, Switching & QoS
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | Huawei Technologies Co., Ltd. | 499 | 166 | 159 | 124 | 50 | -22.0% |
| 2 | Cisco Technology, Inc. | 390 | 83 | 115 | 137 | 55 | +19.1% |
| 3 | INTEL CORPORATION | 339 | 98 | 98 | 119 | 24 | +21.4% |
| 4 | Mellanox Technologies, Ltd. | 182 | 41 | 49 | 63 | 29 | +28.6% |
| 5 | Juniper Networks, Inc. | 138 | 41 | 40 | 42 | 15 | +5.0% |
| 6 | Hewlett Packard Enterprise Development LP | 136 | 26 | 52 | 39 | 19 | -25.0% |
| 7 | DELL PRODUCTS L.P. | 136 | 25 | 42 | 46 | 23 | +9.5% |
| 8 | Marvell Asia Pte Ltd | 129 | 36 | 39 | 40 | 14 | +2.6% |
| 9 | QUALCOMM Incorporated | 120 | 21 | 41 | 41 | 17 | 0.0% |
| 10 | SAMSUNG ELECTRONICS CO., LTD. | 110 | 32 | 29 | 37 | 12 | +27.6% |
| 11 | Arista Networks, Inc. | 106 | 19 | 30 | 38 | 19 | +26.7% |
| 12 | Microsoft Technology Licensing, LLC | 84 | 26 | 26 | 21 | 11 | -19.2% |
| 13 | International Business Machines Corporation | 80 | 29 | 20 | 21 | 10 | +5.0% |
| 14 | VMware LLC | 76 | · | 26 | 44 | 6 | +69.2% |
| 15 | ZTE Corporation | 73 | 17 | 27 | 23 | 6 | -14.8% |
| 16 | SK hynix Inc. | 70 | 17 | 21 | 27 | 5 | +28.6% |
| 17 | Telefonaktiebolaget LM Ericsson (publ) | 69 | 15 | 22 | 24 | 8 | +9.1% |
| 18 | TEXAS INSTRUMENTS INCORPORATED | 68 | 23 | 21 | 20 | 4 | -4.8% |
| 19 | Nippon Telegraph and Telephone Corporation | 64 | 27 | 27 | 9 | 1 | -66.7% |
| 20 | Ciena Corporation | 61 | 18 | 19 | 16 | 8 | -15.8% |
| 21 | SUZHOU METABRAIN INTELLIGENT TECHNOLOGY CO., LTD. | 61 | · | 9 | 29 | 23 | +222.2% |
| 22 | VMware, Inc. | 60 | 52 | 6 | 2 | · | -66.7% |
| 23 | Advanced Micro Devices, Inc. | 55 | 9 | 14 | 25 | 7 | +78.6% |
| 24 | Oracle International Corporation | 54 | 12 | 21 | 17 | 4 | -19.0% |
| 25 | XILINX, INC. | 52 | 17 | 16 | 17 | 2 | +6.2% |