- 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 1/54 - Absorbers, e.g. opaque materials
Patent holdings for IPC class G03F 1/54
Total number of patents in this class: 394
10-year publication summary
17
|
29
|
21
|
38
|
35
|
64
|
41
|
46
|
33
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hoya Corporation | 2822 |
89 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
61 |
Applied Materials, Inc. | 16587 |
35 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
25 |
Agc, Inc. | 4029 |
20 |
Boe Technology Group Co., Ltd. | 35384 |
16 |
Toppan Photomask Co., Ltd. | 56 |
13 |
Samsung Electronics Co., Ltd. | 131630 |
9 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
6 |
Toppan Printing Co., Ltd. | 2212 |
6 |
Samsung Display Co., Ltd. | 30585 |
5 |
LG Chem, Ltd. | 17205 |
5 |
Beijing BOE Optoelectronics Technology Co., Ltd. | 3779 |
5 |
Hon Hai Precision Industry Co., Ltd. | 4157 |
4 |
Tsinghua University | 5426 |
4 |
Beijing BOE Display Technology Co., Ltd. | 2497 |
4 |
HKC Corporation Limited | 2951 |
4 |
Hoya Electronics Singapore Pte. Ltd. | 7 |
4 |
Micron Technology, Inc. | 24960 |
3 |
Hefei Xinsheng Optoelectronics Technology Co., Ltd. | 2483 |
3 |
Other owners | 73 |