Patent Theme
Photolithography Process Modeling
Computational methods for modeling and simulating photolithography processes, including mask design, aerial image generation, and defect prediction for semiconductor manufacturing.
4,385 US filings from 748 companies since 2023 · 2023: 1,092 · 2024: 1,369 · 2025: 1,301 · 2026 YTD: 623
Electronic Design Automation (CAD/EDA)
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | ASML Netherlands B.V. | 526 | 150 | 176 | 141 | 59 | -19.9% |
| 2 | Taiwan Semiconductor Manufacturing Company, Ltd. | 494 | 143 | 147 | 148 | 56 | +0.7% |
| 3 | SAMSUNG ELECTRONICS CO., LTD. | 338 | 75 | 92 | 114 | 57 | +23.9% |
| 4 | Taiwan Semiconductor Manufacturing Co., Ltd. | 205 | 63 | 71 | 53 | 18 | -25.4% |
| 5 | CARL ZEISS SMT GMBH | 185 | 26 | 54 | 64 | 41 | +18.5% |
| 6 | Applied Materials, Inc. | 125 | 27 | 44 | 38 | 16 | -13.6% |
| 7 | CANON KABUSHIKI KAISHA | 88 | 28 | 25 | 22 | 13 | -12.0% |
| 8 | TOKYO ELECTRON LIMITED | 72 | 13 | 17 | 29 | 13 | +70.6% |
| 9 | SHIN-ETSU CHEMICAL CO., LTD. | 70 | 11 | 22 | 19 | 18 | -13.6% |
| 10 | KLA Corporation | 66 | 16 | 17 | 23 | 10 | +35.3% |
| 11 | AGC Inc. | 52 | 4 | 26 | 20 | 2 | -23.1% |
| 12 | Applied Materials Israel Ltd. | 48 | 9 | 8 | 17 | 14 | +112.5% |
| 13 | UNITED MICROELECTRONICS CORP. | 42 | 8 | 19 | 10 | 5 | -47.4% |
| 14 | Samsung Display Co., Ltd. | 41 | 10 | 10 | 13 | 8 | +30.0% |
| 15 | D2S, INC. | 39 | 8 | 4 | 23 | 4 | +475.0% |
| 16 | Kioxia Corporation | 38 | 9 | 18 | 7 | 4 | -61.1% |
| 17 | Synopsys, Inc. | 38 | 15 | 9 | 11 | 3 | +22.2% |
| 18 | SEMES CO., LTD. | 36 | 17 | 8 | 6 | 5 | -25.0% |
| 19 | CHANGXIN MEMORY TECHNOLOGIES, INC. | 34 | 12 | 13 | 7 | 2 | -46.2% |
| 20 | ASML Holding N.V. | 33 | 11 | 11 | 7 | 4 | -36.4% |
| 21 | HOYA CORPORATION | 33 | 12 | 15 | 4 | 2 | -73.3% |
| 22 | International Business Machines Corporation | 30 | 10 | 8 | 8 | 4 | 0.0% |
| 23 | Nvidia Corporation | 30 | 4 | 8 | 11 | 7 | +37.5% |
| 24 | HITACHI HIGH-TECH CORPORATION | 27 | 5 | 6 | 12 | 4 | +100.0% |
| 25 | INTEL CORPORATION | 26 | 2 | 10 | 10 | 4 | 0.0% |