- 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: 236
10-year publication summary
|
17
|
11
|
22
|
13
|
16
|
24
|
26
|
24
|
28
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42389 |
44 |
| Hoya Corporation | 2745 |
44 |
| Agc, Inc. | 4809 |
26 |
| Samsung Electronics Co., Ltd. | 145025 |
12 |
| Hon Hai Precision Industry Co., Ltd. | 4040 |
7 |
| Applied Materials, Inc. | 18501 |
7 |
| Tsinghua University | 5886 |
7 |
| Tekscend Photomask Corp. | 30 |
7 |
| LG Chem, Ltd. | 17594 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5632 |
6 |
| SK Enpulse Co., Ltd. | 63 |
5 |
| Kimoto Co., Ltd. | 168 |
4 |
| Canon Inc. | 39660 |
3 |
| Tokyo Electron Limited | 12620 |
3 |
| Boe Technology Group Co., Ltd. | 40814 |
3 |
| Samsung Display Co., Ltd. | 34472 |
2 |
| Carl Zeiss SMT GmbH | 2964 |
2 |
| Beijing BOE Display Technology Co., Ltd. | 2780 |
2 |
| GLOBALFOUNDRIES U.S. Inc. | 6429 |
2 |
| IMEC VZW | 1638 |
2 |
| Other owners | 42 |