- 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 1/58 - Absorbers, e.g. opaque materials having two or more different absorber layers, e.g. stacked multilayer absorbers
Patent holdings for IPC class G03F 1/58
Total number of patents in this class: 167
10-year publication summary
13
|
7
|
10
|
18
|
23
|
18
|
24
|
13
|
10
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hoya Corporation | 2822 |
64 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
21 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
15 |
Applied Materials, Inc. | 16587 |
12 |
Samsung Electronics Co., Ltd. | 131630 |
5 |
Toppan Photomask Co., Ltd. | 56 |
5 |
LG Chem, Ltd. | 17205 |
4 |
S&S Tech Co., Ltd. | 26 |
4 |
Boe Technology Group Co., Ltd. | 35384 |
3 |
Kioxia Corporation | 9847 |
3 |
Samsung Display Co., Ltd. | 30585 |
2 |
Nikon Corporation | 7162 |
2 |
Carl Zeiss SMT GmbH | 2646 |
2 |
Beijing BOE Display Technology Co., Ltd. | 2497 |
2 |
GLOBALFOUNDRIES U.S. Inc. | 6459 |
2 |
Toppan Printing Co., Ltd. | 2212 |
2 |
Agc, Inc. | 4029 |
2 |
KLA Corporation | 1223 |
2 |
WI-A Corporation | 16 |
2 |
Apple Inc. | 50209 |
1 |
Other owners | 12 |