- All sections
- G - Physics
- G03F - Photomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices; materials therefor; originals therefor; apparatus specially adapted therefor
- G03F 1/48 - Protective coatings
Patent holdings for IPC class G03F 1/48
Total number of patents in this class: 207
10-year publication summary
|
24
|
17
|
11
|
22
|
13
|
16
|
24
|
24
|
24
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
43 |
| Hoya Corporation | 2822 |
39 |
| Agc, Inc. | 4029 |
15 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
7 |
| Applied Materials, Inc. | 16587 |
7 |
| Tsinghua University | 5426 |
7 |
| LG Chem, Ltd. | 17205 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
6 |
| Kimoto Co., Ltd. | 176 |
4 |
| SK Enpulse Co., Ltd. | 103 |
4 |
| Tokyo Electron Limited | 11599 |
3 |
| Boe Technology Group Co., Ltd. | 35384 |
3 |
| Toppan Photomask Co., Ltd. | 56 |
3 |
| Canon Inc. | 36841 |
2 |
| Carl Zeiss SMT GmbH | 2646 |
2 |
| Beijing BOE Display Technology Co., Ltd. | 2497 |
2 |
| GLOBALFOUNDRIES U.S. Inc. | 6459 |
2 |
| IMEC VZW | 1410 |
2 |
| Inpria Corporation | 96 |
2 |
| Other owners | 39 |