Patent Theme
Semiconductor Device Manufacturing Processes
Techniques and methodologies for fabricating semiconductor devices, including etching, deposition, annealing, isolation, and doping steps, aimed at improving yield, performance, or enabling new structures.
37,229 US filings from 2,043 companies since 2023 · 2023: 10,862 · 2024: 13,445 · 2025: 10,591 · 2026 YTD: 2,331
Transistor & Device Structure
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. | 5,663 | 1,490 | 2,079 | 1,793 | 301 | -13.8% |
| 2 | SAMSUNG ELECTRONICS CO., LTD. | 3,300 | 941 | 1,215 | 909 | 235 | -25.2% |
| 3 | Taiwan Semiconductor Manufacturing Co., Ltd. | 2,535 | 838 | 903 | 733 | 61 | -18.8% |
| 4 | Applied Materials, Inc. | 1,342 | 337 | 419 | 427 | 159 | +1.9% |
| 5 | NANYA TECHNOLOGY CORPORATION | 1,182 | 372 | 383 | 377 | 50 | -1.6% |
| 6 | CHANGXIN MEMORY TECHNOLOGIES, INC. | 823 | 392 | 264 | 152 | 15 | -42.4% |
| 7 | ROHM CO., LTD. | 805 | 209 | 354 | 200 | 42 | -43.5% |
| 8 | TOKYO ELECTRON LIMITED | 736 | 198 | 194 | 265 | 79 | +36.6% |
| 9 | UNITED MICROELECTRONICS CORP. | 712 | 229 | 240 | 199 | 44 | -17.1% |
| 10 | FUJI ELECTRIC CO., LTD. | 658 | 188 | 248 | 183 | 39 | -26.2% |
| 11 | Semiconductor Energy Laboratory Co., Ltd. | 646 | 222 | 287 | 120 | 17 | -58.2% |
| 12 | ASM IP Holding B.V. | 623 | 157 | 177 | 196 | 93 | +10.7% |
| 13 | Kokusai Electric Corporation | 616 | 149 | 175 | 215 | 77 | +22.9% |
| 14 | Kioxia Corporation | 612 | 213 | 223 | 145 | 31 | -35.0% |
| 15 | SK hynix Inc. | 601 | 194 | 211 | 154 | 42 | -27.0% |
| 16 | Mitsubishi Electric Corporation | 596 | 174 | 220 | 163 | 39 | -25.9% |
| 17 | KABUSHIKI KAISHA TOSHIBA | 570 | 172 | 222 | 141 | 35 | -36.5% |
| 18 | Toshiba Electronic Devices & Storage Corporation | 436 | 118 | 168 | 120 | 30 | -28.6% |
| 19 | Micron Technology, Inc. | 407 | 129 | 127 | 120 | 31 | -5.5% |
| 20 | International Business Machines Corporation | 397 | 132 | 130 | 102 | 33 | -21.5% |
| 21 | Taiwan Semiconductor Manufacturing Company Limited | 365 | 109 | 130 | 107 | 19 | -17.7% |
| 22 | Infineon Technologies AG | 324 | 112 | 99 | 94 | 19 | -5.1% |
| 23 | RENESAS ELECTRONICS CORPORATION | 321 | 107 | 101 | 86 | 27 | -14.9% |
| 24 | TEXAS INSTRUMENTS INCORPORATED | 291 | 70 | 101 | 87 | 33 | -13.9% |
| 25 | INTEL CORPORATION | 274 | 77 | 111 | 68 | 18 | -38.7% |