Patent holdings for IPC class C04B 35/5831

Total number of patents in this class: 369

10-year publication summary

19
24
28
29
29
23
43
31
23
6
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Sumitomo Electric Hardmetal Corp.
969
91
Sumitomo Electric Industries, Ltd.
14131
67
Diamond Innovations, Inc.
241
32
Element Six (UK) Limited
178
30
Mitsubishi Materials Corporation
2378
21
Kyocera Corporation
12735
17
Element Six Limited
123
16
Tungaloy Corporation
481
15
Element Six Abrasives S.A.
148
13
Element Six (production) (Pty) Ltd
80
5
Saudi Arabian Oil Company
11322
4
SECO Tools AB
456
4
Baker Hughes Holdings LLC
3060
4
Halliburton Energy Services, Inc.
20165
3
P&S Global Holdings LLC
41
3
Chengdu Dongwei Technology Co., Ltd
7
3
Centre National de La Recherche Scientifique
9632
2
Smith International, Inc.
761
2
Aramco Services Company
3504
2
ILJIN Diamond Co., Ltd.
37
2
Other owners 33