Patent holdings for IPC class H01L 21/285

Total number of patents in this class: 5527

10-year publication summary

457
529
614
588
476
453
368
390
342
22
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Taiwan Semiconductor Manufacturing Company, Ltd.
46507
990
Applied Materials, Inc.
19577
553
Tokyo Electron Limited
13336
331
Samsung Electronics Co., Ltd.
151017
197
International Business Machines Corporation
61904
181
Lam Research Corporation
5429
172
Intel Corporation
46576
141
ASM IP Holding B.V.
2216
137
GLOBALFOUNDRIES U.S. Inc.
6404
130
Kokusai Electric Corporation
2149
116
ULVAC, Inc.
1373
86
United Microelectronics Corp.
4369
63
Micron Technology, Inc.
27174
58
Semiconductor Manufacturing International (Shanghai) Corporation
1745
55
Texas Instruments Incorporated
19555
47
JX Nippon Mining & Metals Corporation
1474
44
Semiconductor Manufacturing International (Beijing) Corporation
1034
43
Renesas Electronics Corporation
5903
40
SK Hynix Inc.
11871
36
Tanaka Kikinzoku Kogyo K.K.
574
36
Other owners 2071