Patent holdings for IPC class B24B 7/22

Total number of patents in this class: 619

10-year publication summary

47
47
59
51
52
43
50
51
67
6
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Disco Corporation
1917
115
Ebara Corporation
2249
26
Taiwan Semiconductor Manufacturing Company, Ltd.
46507
23
Sumco Corporation
1112
17
Tokyo Electron Limited
13336
16
Applied Materials, Inc.
19577
12
Ancora S.p.A.
26
12
Husqvarna AB
2968
11
Samsung Electronics Co., Ltd.
151017
10
3m Innovative Properties Company
17614
8
Shin-Etsu Chemical Co., Ltd.
5842
8
Globalwafers Co., Ltd.
712
8
Shin-Etsu Handotai Co., Ltd.
1290
8
Semiconductor Components Industries, L.L.C.
5290
7
DuPont Electronic Materials Holding, Inc.
207
7
Vertical Concrete Polishing Inc.
8
6
Hangzhou Sizone Electronic Technology Inc.
78
6
Corning Incorporated
10374
5
Okamoto Machine Tool Works, Ltd.
16
5
Siltronic AG
427
5
Other owners 304