Patent Theme
Robust Electrical Contact Systems
Design of contact elements and their interaction to ensure stable, low-resistance electrical connection under various mechanical and environmental conditions, including spring forces and material choices.
6,273 US filings from 1,335 companies since 2023 · 2023: 1,545 · 2024: 1,896 · 2025: 1,917 · 2026 YTD: 915
Electrical Connectors
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | Sumitomo Wiring Systems, Ltd. | 434 | 110 | 123 | 130 | 71 | +5.7% |
| 2 | TE Connectivity Solutions GmbH | 272 | 36 | 85 | 95 | 56 | +11.8% |
| 3 | Sumitomo Electric Industries, Ltd. | 238 | 65 | 76 | 64 | 33 | -15.8% |
| 4 | YAZAKI CORPORATION | 238 | 44 | 86 | 68 | 40 | -20.9% |
| 5 | AutoNetworks Technologies, Ltd. | 218 | 62 | 70 | 56 | 30 | -20.0% |
| 6 | FOXCONN INTERCONNECT TECHNOLOGY LIMITED | 176 | 53 | 38 | 55 | 30 | +44.7% |
| 7 | JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITED | 166 | 34 | 58 | 55 | 19 | -5.2% |
| 8 | Tyco Electronics (Shanghai) Co., Ltd. | 151 | 26 | 37 | 57 | 31 | +54.1% |
| 9 | FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO., LTD. | 140 | 45 | 27 | 45 | 23 | +66.7% |
| 10 | DONGGUAN LUXSHARE TECHNOLOGIES CO., LTD | 132 | 26 | 23 | 56 | 27 | +143.5% |
| 11 | TE Connectivity Germany GmbH | 110 | 38 | 46 | 15 | 11 | -67.4% |
| 12 | HARTING ELECTRIC STIFTUNG & CO. KG | 102 | 15 | 24 | 52 | 11 | +116.7% |
| 13 | Aptiv Technologies AG | 97 | 1 | 27 | 46 | 23 | +70.4% |
| 14 | Hubbell Incorporated | 91 | 28 | 30 | 21 | 12 | -30.0% |
| 15 | HIROSE ELECTRIC CO., LTD. | 87 | 18 | 31 | 22 | 16 | -29.0% |
| 16 | PHOENIX CONTACT GMBH & CO. KG | 79 | 17 | 23 | 25 | 14 | +8.7% |
| 17 | Molex, LLC | 75 | 12 | 31 | 17 | 15 | -45.2% |
| 18 | WAGO Verwaltungsgesellschaft mbH | 59 | 11 | 22 | 10 | 16 | -54.5% |
| 19 | Amphenol Commercial Products (Chengdu) Co., Ltd. | 53 | 13 | 20 | 10 | 10 | -50.0% |
| 20 | Eaton Intelligent Power Limited | 53 | 12 | 18 | 20 | 3 | +11.1% |
| 21 | Rosenberger Hochfrequenztechnik GmbH & Co. KG | 51 | 13 | 16 | 18 | 4 | +12.5% |
| 22 | Lear Corporation | 46 | 13 | 16 | 13 | 4 | -18.8% |
| 23 | ADVANCED-CONNECTEK INC. | 46 | 21 | 6 | 16 | 3 | +166.7% |
| 24 | Aptiv Technologies Limited | 44 | 32 | 12 | · | · | — |
| 25 | Japan Aviation Electronics Industry, Ltd. | 43 | 6 | 6 | 17 | 14 | +183.3% |