Patent holdings for IPC class H01L 21/288

Total number of patents in this class: 1486

10-year publication summary

203
171
156
153
110
88
69
74
48
1
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.
40539
115
Tokyo Electron Limited
12090
84
Lam Research Corporation
4983
82
Applied Materials, Inc.
17696
63
International Business Machines Corporation
60075
36
Ebara Corporation
2078
31
Novellus Systems, Inc.
509
29
Mitsubishi Electric Corporation
44738
28
Alchimer
51
27
FUJIFILM Corporation
28506
26
Atotech Deutschland GmbH
566
26
Texas Instruments Incorporated
19405
24
Infineon Technologies AG
8134
21
BASF SE
20387
19
Semiconductor Components Industries, L.L.C.
5242
19
Konica Minolta Holdings, Inc.
1012
18
Samsung Electronics Co., Ltd.
138518
17
MacDermid Enthone Inc.
234
17
Micron Technology, Inc.
25756
16
Nikon Corporation
7128
16
Other owners 772