Patent Theme
On-chip Test Structures
Integration of dedicated physical structures or built-in circuitry within semiconductor devices to enable characterization of process variations, material properties, electrical leakage, or device performance.
4,304 US filings from 751 companies since 2023 · 2023: 1,039 · 2024: 1,368 · 2025: 1,292 · 2026 YTD: 605
Semiconductor Testing
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | Taiwan Semiconductor Manufacturing Company, Ltd. | 206 | 50 | 54 | 76 | 26 | +40.7% |
| 2 | SAMSUNG ELECTRONICS CO., LTD. | 197 | 41 | 58 | 63 | 35 | +8.6% |
| 3 | TEXAS INSTRUMENTS INCORPORATED | 134 | 47 | 47 | 33 | 7 | -29.8% |
| 4 | ADVANTEST CORPORATION | 124 | 24 | 44 | 42 | 14 | -4.5% |
| 5 | INTEL CORPORATION | 115 | 25 | 36 | 33 | 21 | -8.3% |
| 6 | CHANGXIN MEMORY TECHNOLOGIES, INC. | 96 | 53 | 35 | 8 | · | -77.1% |
| 7 | International Business Machines Corporation | 79 | 31 | 11 | 27 | 10 | +145.5% |
| 8 | STMicroelectronics International N.V. | 77 | 8 | 22 | 33 | 14 | +50.0% |
| 9 | NANYA TECHNOLOGY CORPORATION | 63 | 22 | 24 | 13 | 4 | -45.8% |
| 10 | ROHDE & SCHWARZ GMBH & CO. KG | 56 | 12 | 13 | 19 | 12 | +46.2% |
| 11 | SK hynix Inc. | 56 | 11 | 23 | 14 | 8 | -39.1% |
| 12 | Micron Technology, Inc. | 55 | 17 | 19 | 11 | 8 | -42.1% |
| 13 | MPI CORPORATION | 52 | 8 | 19 | 17 | 8 | -10.5% |
| 14 | Synopsys, Inc. | 48 | 11 | 11 | 20 | 6 | +81.8% |
| 15 | POINT ENGINEERING CO., LTD. | 42 | 7 | 11 | 14 | 10 | +27.3% |
| 16 | Advantest Test Solutions, Inc. | 38 | 18 | 7 | 11 | 2 | +57.1% |
| 17 | TEKTRONIX, INC. | 38 | 10 | 13 | 7 | 8 | -46.2% |
| 18 | TSE CO., LTD. | 38 | 9 | 11 | 12 | 6 | +9.1% |
| 19 | Microfabrica Inc. | 37 | 8 | 27 | 2 | · | -92.6% |
| 20 | NXP B.V. | 37 | 5 | 9 | 13 | 10 | +44.4% |
| 21 | AEHR TEST SYSTEMS | 36 | 6 | 11 | 17 | 2 | +54.5% |
| 22 | CHROMA ATE INC. | 36 | 14 | 5 | 11 | 6 | +120.0% |
| 23 | Infineon Technologies AG | 36 | 8 | 13 | 13 | 2 | 0.0% |
| 24 | QUALCOMM Incorporated | 36 | 5 | 14 | 8 | 9 | -42.9% |
| 25 | Taiwan Semiconductor Manufacturing Co., Ltd. | 36 | 15 | 11 | 9 | 1 | -18.2% |