Patent holdings for IPC class B24B 49/02

Total number of patents in this class: 199

10-year publication summary

9
12
17
16
10
19
21
9
22
16
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Applied Materials, Inc.
20552
28
Ebara Corporation
2349
16
Tokyo Electron Limited
13920
15
Disco Corporation
1957
6
NSK Ltd.
2843
5
Sumco Corporation
1107
5
Samsung Electronics Co., Ltd.
158842
4
Erwin Junker Grinding Technology A.S.
23
4
Bauer Hockey, LLC
317
4
SK Siltron Co., Ltd.
176
4
BARON INVESTMENTS, LLC, DBA Baron Education
31
3
The Hillman Group, Inc.
402
3
Shin-Etsu Handotai Co., Ltd.
1307
3
Tokyo Seimitsu Co., Ltd.
422
3
Hitachi, Ltd.
16194
2
Taiwan Semiconductor Manufacturing Company, Ltd.
48760
2
NTN Corporation
4923
2
Amatsuji Steel Ball Mfg. Co., Ltd.
4
2
Essilor International (compagnie Generale D'optique)
2997
2
Fives Landis Corp.
32
2
Other owners 84