Patent Theme
Novel Memory Transistor Architectures
Design and operation of transistors optimized for memory applications, including floating body devices, ferroelectric FETs (FeFETs), vertical TFTs for 3D arrays, and charge-trapping memory cells.
41,513 US filings from 1,451 companies since 2023 · 2023: 10,377 · 2024: 12,986 · 2025: 12,396 · 2026 YTD: 5,754
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 | Micron Technology, Inc. | 7,450 | 1,965 | 2,422 | 1,983 | 1,080 | -18.1% |
| 2 | SAMSUNG ELECTRONICS CO., LTD. | 5,461 | 1,227 | 1,516 | 1,766 | 952 | +16.5% |
| 3 | SK hynix Inc. | 2,902 | 702 | 890 | 839 | 471 | -5.7% |
| 4 | Taiwan Semiconductor Manufacturing Company, Ltd. | 2,751 | 651 | 850 | 986 | 264 | +16.0% |
| 5 | Kioxia Corporation | 2,502 | 664 | 860 | 664 | 314 | -22.8% |
| 6 | YANGTZE MEMORY TECHNOLOGIES CO., LTD. | 1,851 | 323 | 489 | 710 | 329 | +45.2% |
| 7 | CHANGXIN MEMORY TECHNOLOGIES, INC. | 1,140 | 458 | 335 | 275 | 72 | -17.9% |
| 8 | INTEL CORPORATION | 754 | 253 | 197 | 185 | 119 | -6.1% |
| 9 | SANDISK TECHNOLOGIES LLC | 705 | 236 | 346 | 120 | 3 | -65.3% |
| 10 | International Business Machines Corporation | 577 | 195 | 168 | 144 | 70 | -14.3% |
| 11 | Taiwan Semiconductor Manufacturing Co., Ltd. | 555 | 197 | 184 | 143 | 31 | -22.3% |
| 12 | Lodestar Licensing Group LLC | 548 | 20 | 254 | 223 | 51 | -12.2% |
| 13 | MACRONIX International Co., Ltd. | 523 | 142 | 153 | 158 | 70 | +3.3% |
| 14 | UNITED MICROELECTRONICS CORP. | 519 | 141 | 172 | 152 | 54 | -11.6% |
| 15 | Semiconductor Energy Laboratory Co., Ltd. | 512 | 123 | 163 | 166 | 60 | +1.8% |
| 16 | Sandisk Technologies, Inc. | 499 | · | 27 | 274 | 198 | +914.8% |
| 17 | Western Digital Technologies, Inc. | 491 | 157 | 197 | 136 | 1 | -31.0% |
| 18 | NANYA TECHNOLOGY CORPORATION | 357 | 74 | 98 | 123 | 62 | +25.5% |
| 19 | Advanced Micro Devices, Inc. | 339 | 75 | 124 | 105 | 35 | -15.3% |
| 20 | Rambus Inc. | 307 | 65 | 114 | 86 | 42 | -24.6% |
| 21 | Winbond Electronics Corp. | 297 | 70 | 89 | 82 | 56 | -7.9% |
| 22 | Taiwan Semiconductor Manufacturing Company Limited | 288 | 92 | 87 | 86 | 23 | -1.1% |
| 23 | Silicon Motion, Inc. | 271 | 67 | 109 | 73 | 22 | -33.0% |
| 24 | QUALCOMM Incorporated | 263 | 32 | 71 | 90 | 70 | +26.8% |
| 25 | GlobalFoundries U.S. Inc. | 198 | 83 | 70 | 31 | 14 | -55.7% |