- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 31/30 - Carbides
Patent holdings for IPC class C01B 31/30
Total number of patents in this class: 85
10-year publication summary
|
3
|
1
|
0
|
3
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Drexel University | 1019 |
7 |
| PPG Industries Ohio, Inc. | 3382 |
4 |
| The United States of America as represented by the Secretary of the Navy | 2821 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10983 |
3 |
| Nisshin Engineering Inc. | 63 |
3 |
| Thermical IP Pty Ltd. | 2 |
2 |
| Toyo Tanso Co., Ltd. | 218 |
2 |
| Samsung Electronics Co., Ltd. | 152534 |
1 |
| BASF SE | 21131 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4009 |
1 |
| GM Global Technology Operations LLC | 15675 |
1 |
| Nissan Motor Co., Ltd. | 12726 |
1 |
| Lockheed Martin Corporation | 3280 |
1 |
| NGK Insulators, Ltd. | 5201 |
1 |
| Delta Electronics, Inc. | 2760 |
1 |
| Tsinghua University | 6091 |
1 |
| Dow Corning Corporation | 923 |
1 |
| JPMorgan Chase Bank, National Association | 8647 |
1 |
| Korea Advanced Institute of Science and Technology | 4537 |
1 |
| Japan Science and Technology Agency | 1245 |
1 |
| Other owners | 48 |