Patent holdings for IPC class B24B 7/22

Total number of patents in this class: 583

10-year publication summary

32
47
48
59
52
53
43
51
51
28
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Disco Corporation
1848
109
Ebara Corporation
2148
23
Taiwan Semiconductor Manufacturing Company, Ltd.
42222
22
Sumco Corporation
1126
15
Tokyo Electron Limited
12571
14
Applied Materials, Inc.
18433
13
Ancora S.p.A.
26
12
Husqvarna AB
2905
10
Shin-Etsu Chemical Co., Ltd.
5602
8
Shin-Etsu Handotai Co., Ltd.
1286
8
Samsung Electronics Co., Ltd.
144426
7
3m Innovative Properties Company
17855
7
Semiconductor Components Industries, L.L.C.
5253
7
Globalwafers Co., Ltd.
633
7
DuPont Electronic Materials Holding, Inc.
198
7
Vertical Concrete Polishing Inc.
8
6
Hangzhou Sizone Electronic Technology Inc.
69
6
Corning Incorporated
10240
5
Okamoto Machine Tool Works, Ltd.
16
5
Siltronic AG
424
5
Other owners 287