Patent holdings for IPC class H01L 21/288

Total number of patents in this class: 1490

10-year publication summary

203
171
156
153
110
88
69
74
48
26
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Taiwan Semiconductor Manufacturing Company, Ltd.
42549
118
Tokyo Electron Limited
12681
84
Lam Research Corporation
5222
82
Applied Materials, Inc.
18565
63
International Business Machines Corporation
61198
36
Ebara Corporation
2166
31
Mitsubishi Electric Corporation
45998
28
Novellus Systems, Inc.
484
28
Alchimer
51
27
FUJIFILM Corporation
29329
26
Atotech Deutschland GmbH
556
26
Texas Instruments Incorporated
19479
24
Infineon Technologies AG
8218
22
Semiconductor Components Industries, L.L.C.
5255
21
BASF SE
20912
20
Nikon Corporation
7159
20
Konica Minolta Holdings, Inc.
929
18
Samsung Electronics Co., Ltd.
145630
17
MacDermid Enthone Inc.
238
16
Micron Technology, Inc.
26258
15
Other owners 768