- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 35/645 - Pressure sintering
Patent holdings for IPC class C04B 35/645
Total number of patents in this class: 1312
10-year publication summary
111
|
101
|
131
|
126
|
135
|
83
|
116
|
97
|
78
|
25
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NGK Insulators, Ltd. | 4589 |
45 |
Diamond Innovations, Inc. | 241 |
41 |
Sumitomo Electric Industries, Ltd. | 14131 |
40 |
Element Six (UK) Limited | 178 |
32 |
Sumitomo Electric Hardmetal Corp. | 969 |
31 |
Tosoh Corporation | 1127 |
29 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
25 |
Quantumscape Battery, Inc. | 168 |
23 |
Centre National de La Recherche Scientifique | 9632 |
21 |
Element Six Abrasives S.A. | 148 |
19 |
Mitsubishi Materials Corporation | 2378 |
19 |
Baker Hughes Holdings LLC | 3060 |
18 |
Heraeus Conamic North America LLC | 30 |
17 |
US Synthetic Corporation | 601 |
14 |
Corning Incorporated | 9932 |
12 |
Element Six Limited | 123 |
12 |
JX Nippon Mining & Metals Corporation | 1576 |
12 |
Sumitomo Osaka Cement Co., Ltd. | 783 |
12 |
Raytheon Company | 8535 |
11 |
Rogers Germany GmbH | 123 |
11 |
Other owners | 868 |