Patent holdings for IPC class B24B 7/22

Total number of patents in this class: 650

10-year publication summary

47
48
59
52
53
44
51
52
67
39
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Disco Corporation
1960
125
Ebara Corporation
2356
27
Taiwan Semiconductor Manufacturing Company, Ltd.
48861
24
Tokyo Electron Limited
13948
17
Sumco Corporation
1106
17
Samsung Electronics Co., Ltd.
159029
13
Applied Materials, Inc.
20579
12
Ancora S.p.A.
25
12
Husqvarna AB
3045
11
3m Innovative Properties Company
17455
8
Shin-Etsu Chemical Co., Ltd.
6143
8
Globalwafers Co., Ltd.
734
8
Shin-Etsu Handotai Co., Ltd.
1305
8
Semiconductor Components Industries, L.L.C.
5265
7
Siltronic AG
437
6
Vertical Concrete Polishing Inc.
8
6
Hangzhou Sizone Electronic Technology Inc.
90
6
Wolfspeed, Inc.
911
6
Corning Incorporated
10538
5
Cambria Company LLC
352
5
Other owners 319