Patent holdings for IPC class B23C 5/22

Total number of patents in this class: 706

10-year publication summary

50
62
50
67
33
31
35
20
25
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Iscar, Ltd.
1126
125
Kennametal Inc.
1385
85
Sandvik Intellectual Property AB
1544
58
Tungaloy Corporation
495
53
SECO Tools AB
460
49
TaeguTec, Ltd.
177
38
Kyocera Corporation
13327
34
Korloy Inc.
250
28
Sumitomo Electric Hardmetal Corp.
1006
15
Ceratizit Austria Gesellschaft mbH
119
15
Mitsubishi Materials Corporation
2408
10
No Screw Ltd.
32
10
The Gleason Works
201
8
Mitsubishi Hitachi Tool Engineering, Ltd.
91
8
Hartmetall-Werkzeugfabrik Paul Horn GmbH
157
7
Ceratizit Luxembourg Sàrl
38
7
AB Sandvik Coromant
212
6
Pramet Tools, s.r.o.
14
6
Makino Milling Machine Co., Ltd.
402
4
Walter AG
252
4
Other owners 136