Patent holdings for IPC class B24B 7/22

Total number of patents in this class: 648

10-year publication summary

47
48
59
52
53
44
51
52
67
35
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Disco Corporation
1956
122
Ebara Corporation
2323
27
Taiwan Semiconductor Manufacturing Company, Ltd.
48302
24
Tokyo Electron Limited
13807
17
Sumco Corporation
1111
17
Samsung Electronics Co., Ltd.
157719
13
Applied Materials, Inc.
20375
12
Ancora S.p.A.
26
12
Husqvarna AB
3034
11
3m Innovative Properties Company
17478
8
Shin-Etsu Chemical Co., Ltd.
6096
8
Globalwafers Co., Ltd.
730
8
Shin-Etsu Handotai Co., Ltd.
1307
8
Semiconductor Components Industries, L.L.C.
5262
7
Vertical Concrete Polishing Inc.
8
6
Hangzhou Sizone Electronic Technology Inc.
83
6
Wolfspeed, Inc.
902
6
Corning Incorporated
10504
5
Cambria Company LLC
351
5
Fujimi Incorporated
802
5
Other owners 321