Patent holdings for IPC class B24B 49/02

Total number of patents in this class: 154

10-year publication summary

20
8
9
12
16
16
8
19
18
2
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Applied Materials, Inc.
16587
14
Ebara Corporation
1951
13
Tokyo Electron Limited
11599
8
NSK Ltd.
2719
5
Disco Corporation
1745
5
Erwin Junker Grinding Technology A.S.
27
4
Sumco Corporation
1116
4
The Hillman Group, Inc.
374
3
SK Siltron Co., Ltd.
146
3
Samsung Electronics Co., Ltd.
131630
2
Hitachi, Ltd.
16452
2
Taiwan Semiconductor Manufacturing Company, Ltd.
36809
2
NTN Corporation
5008
2
Amatsuji Steel Ball Mfg. Co., Ltd.
4
2
Essilor International (compagnie Generale D'optique)
2918
2
Fives Landis Corp.
33
2
Futura S.p.A.
134
2
Loram Maintenance of Way, Inc.
62
2
Nidek Co., Ltd.
357
2
Shin-Etsu Handotai Co., Ltd.
1277
2
Other owners 73