- All sections
- G - Physics
- G03F - Photomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devicesmaterials therefororiginals thereforapparatus specially adapted therefor
- G03F 1/48 - Protective coatings
Patent holdings for IPC class G03F 1/48
Total number of patents in this class: 260
10-year publication summary
|
11
|
22
|
13
|
16
|
24
|
26
|
23
|
28
|
29
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 49324 |
48 |
| Hoya Corporation | 2400 |
45 |
| Agc, Inc. | 5664 |
31 |
| Samsung Electronics Co., Ltd. | 159473 |
12 |
| Shin-Etsu Chemical Co., Ltd. | 6157 |
10 |
| Applied Materials, Inc. | 20625 |
8 |
| Tekscend Photomask Corp. | 35 |
8 |
| Hon Hai Precision Industry Co., Ltd. | 4019 |
7 |
| Tsinghua University | 6260 |
7 |
| LG Chem, Ltd. | 17986 |
6 |
| Luminamask Co., Ltd. | 31 |
5 |
| Canon Inc. | 44490 |
3 |
| Tokyo Electron Limited | 13987 |
3 |
| Carl Zeiss SMT GmbH | 3377 |
3 |
| Boe Technology Group Co., Ltd. | 44746 |
3 |
| Inpria Corporation | 148 |
3 |
| Kimoto Co., Ltd. | 156 |
3 |
| S&S Tech Co., Ltd. | 33 |
3 |
| Samsung Display Co., Ltd. | 39229 |
2 |
| Beijing BOE Display Technology Co., Ltd. | 3025 |
2 |
| Other owners | 48 |