Patent Theme
Photopolymerization for Device Fabrication
Light-initiated polymerization processes used to create structures, coatings, or components, particularly for electronic devices, displays, or additive manufacturing, often involving photoinitiators and specific monomer/oligomer compositions.
5,096 US filings from 1,120 companies since 2023 · 2023: 1,408 · 2024: 1,574 · 2025: 1,451 · 2026 YTD: 663
Polymer Synthesis (Polymerization)
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | SHIN-ETSU CHEMICAL CO., LTD. | 241 | 55 | 57 | 80 | 49 | +40.4% |
| 2 | FUJIFILM CORPORATION | 237 | 78 | 78 | 56 | 25 | -28.2% |
| 3 | SAMSUNG ELECTRONICS CO., LTD. | 169 | 43 | 44 | 52 | 30 | +18.2% |
| 4 | Samsung SDI Co., Ltd. | 156 | 22 | 36 | 53 | 45 | +47.2% |
| 5 | CANON KABUSHIKI KAISHA | 121 | 31 | 36 | 42 | 12 | +16.7% |
| 6 | Samsung Display Co., Ltd. | 111 | 24 | 37 | 35 | 15 | -5.4% |
| 7 | JSR CORPORATION | 102 | 28 | 26 | 32 | 16 | +23.1% |
| 8 | Taiwan Semiconductor Manufacturing Company, Ltd. | 101 | 23 | 31 | 33 | 14 | +6.5% |
| 9 | HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. | 87 | 39 | 40 | 8 | · | -80.0% |
| 10 | TOKYO OHKA KOGYO CO., LTD. | 76 | 20 | 22 | 26 | 8 | +18.2% |
| 11 | Merck Patent GmbH | 75 | 17 | 22 | 24 | 12 | +9.1% |
| 12 | LG Chem, Ltd. | 73 | 25 | 20 | 18 | 10 | -10.0% |
| 13 | Carbon, Inc. | 72 | 30 | 25 | 15 | 2 | -40.0% |
| 14 | NISSAN CHEMICAL CORPORATION | 60 | 13 | 15 | 19 | 13 | +26.7% |
| 15 | SUMITOMO CHEMICAL COMPANY, LIMITED | 58 | 22 | 16 | 13 | 7 | -18.8% |
| 16 | 3D SYSTEMS, INC. | 56 | 16 | 13 | 19 | 8 | +46.2% |
| 17 | Taiwan Semiconductor Manufacturing Co., Ltd. | 51 | 23 | 13 | 13 | 2 | 0.0% |
| 18 | 3M Innovative Properties Company | 42 | 17 | 12 | 9 | 4 | -25.0% |
| 19 | Lawrence Livermore National Security, LLC | 41 | 9 | 8 | 21 | 3 | +162.5% |
| 20 | Align Technology, Inc. | 39 | 5 | 14 | 15 | 5 | +7.1% |
| 21 | ASAHI KASEI KABUSHIKI KAISHA | 38 | 6 | 15 | 11 | 6 | -26.7% |
| 22 | MITSUBISHI GAS CHEMICAL COMPANY, INC. | 38 | 12 | 17 | 8 | 1 | -52.9% |
| 23 | Essilor International | 35 | 6 | 7 | 15 | 7 | +114.3% |
| 24 | Applied Materials, Inc. | 31 | 4 | 9 | 15 | 3 | +66.7% |
| 25 | Rohm and Haas Electronic Materials LLC | 31 | 16 | 14 | 1 | · | -92.9% |