Patent holdings for IPC class H01L 21/288

Total number of patents in this class: 1492

10-year publication summary

203
171
156
153
110
88
69
74
48
30
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.
42804
118
Tokyo Electron Limited
12733
84
Lam Research Corporation
5252
82
Applied Materials, Inc.
18658
63
International Business Machines Corporation
61257
36
Ebara Corporation
2172
31
Mitsubishi Electric Corporation
46127
28
Novellus Systems, Inc.
482
28
Alchimer
51
27
FUJIFILM Corporation
29399
26
Atotech Deutschland GmbH
556
26
Texas Instruments Incorporated
19460
24
Infineon Technologies AG
8225
22
Semiconductor Components Industries, L.L.C.
5249
21
BASF SE
20915
20
Nikon Corporation
7170
20
Samsung Electronics Co., Ltd.
146346
17
MacDermid Enthone Inc.
239
17
Konica Minolta Holdings, Inc.
922
16
Micron Technology, Inc.
26238
15
Other owners 771