Patent holdings for IPC class H01L 21/203

Total number of patents in this class: 595

10-year publication summary

28
41
31
36
20
16
15
15
24
11
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Applied Materials, Inc.
20514
95
Japan Display Inc.
3018
18
Semiconductor Energy Laboratory Co., Ltd.
11873
16
Canon Anelva Corporation
684
16
Showa Denko K.K.
2061
15
ULVAC, Inc.
1343
14
Idemitsu Kosan Co., Ltd.
4263
12
Sumitomo Electric Industries, Ltd.
16331
11
Tosoh Corporation
1418
11
Tokyo Electron Limited
13884
8
Honeywell International Inc.
12770
7
Intel Corporation
47162
7
Lam Research Corporation
5676
6
LG Innotek Co., Ltd.
8525
5
NGK Insulators, Ltd.
5173
5
National Institute of Information and Communications Technology
666
5
The Research Foundation for The State University of New York
1758
5
Fujitsu Limited
16859
4
FUJIFILM Corporation
30628
4
Taiwan Semiconductor Manufacturing Company, Ltd.
48629
4
Other owners 327