Patent holdings for IPC class B23B 27/22

Total number of patents in this class: 281

10-year publication summary

22
15
14
18
25
23
14
21
5
2
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Kyocera Corporation
12735
99
Sumitomo Electric Hardmetal Corp.
969
29
Tungaloy Corporation
481
23
Kennametal Inc.
1380
20
Iscar, Ltd.
1084
14
Mitsubishi Materials Corporation
2378
10
Sandvik Intellectual Property AB
1634
7
Korloy Inc.
249
6
SECO Tools AB
456
6
NGK Spark Plug Co., Ltd.
935
4
Ceratizit Austria Gesellschaft mbH
118
3
FANUC Corporation
5803
3
Nejilaw Inc.
55
3
Sumitomo Electric Industries, Ltd.
14131
2
Beijing Worldia Diamond Tools Co., Ltd.
26
2
CeramTec GmbH
319
2
citizen Machinery Co., Ltd.
176
2
citizen Watch Co., Ltd.
1062
2
DMG MORI Co., Ltd.
751
2
Gershon System Ltd.
6
2
Other owners 40