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