Patent holdings for IPC class B23C 5/22

Total number of patents in this class: 711

10-year publication summary

50
62
50
66
33
31
35
22
26
10
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Iscar, Ltd.
1119
127
Kennametal Inc.
1387
85
Sandvik Intellectual Property AB
1485
56
Tungaloy Corporation
511
53
SECO Tools AB
462
51
TaeguTec, Ltd.
179
38
Kyocera Corporation
13846
35
Korloy Inc.
253
28
Sumitomo Electric Hardmetal Corp.
1026
15
Ceratizit Austria Gesellschaft mbH
119
15
Mitsubishi Materials Corporation
2448
10
No Screw Ltd.
30
10
The Gleason Works
201
8
Mitsubishi Hitachi Tool Engineering, Ltd.
91
8
Hartmetall-Werkzeugfabrik Paul Horn GmbH
158
7
Ceratizit Luxembourg Sàrl
38
7
AB Sandvik Coromant
240
6
Pramet Tools, s.r.o.
14
6
Makino Milling Machine Co., Ltd.
415
4
US Synthetic Corporation
624
4
Other owners 138