Patent holdings for IPC class G03F 1/58

Total number of patents in this class: 172

10-year publication summary

10
18
23
18
24
11
11
5
7
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Hoya Corporation
2738
64
Taiwan Semiconductor Manufacturing Company, Ltd.
47319
23
Shin-Etsu Chemical Co., Ltd.
5948
16
Applied Materials, Inc.
20036
12
Samsung Electronics Co., Ltd.
153845
5
LG Chem, Ltd.
17822
4
Agc, Inc.
5302
4
S&S Tech Co., Ltd.
32
4
Toppan Photomask Co., Ltd.
35
4
Kioxia Corporation
10709
3
Tekscend Photomask Corp.
33
3
Samsung Display Co., Ltd.
37860
2
Nikon Corporation
7304
2
Carl Zeiss SMT GmbH
3220
2
Boe Technology Group Co., Ltd.
42957
2
GLOBALFOUNDRIES U.S. Inc.
6396
2
Toppan Printing Co., Ltd.
2098
2
KLA Corporation
1790
2
WI-A Corporation
17
2
Apple Inc.
58074
1
Other owners 13