- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 21/06 - Binary compounds of nitrogen with metals, with silicon, or with boron
Patent holdings for IPC class C01B 21/06
Total number of patents in this class: 487
10-year publication summary
|
39
|
27
|
45
|
47
|
44
|
46
|
35
|
22
|
34
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Drexel University | 986 |
20 |
| Mitsubishi Chemical Corporation | 4496 |
11 |
| Regents of the University of Minnesota | 2690 |
11 |
| SLT Technologies, Inc. | 129 |
11 |
| The Regents of the University of California | 19887 |
10 |
| SABIC Global Technologies B.V. | 4332 |
9 |
| Sixpoint Materials, Inc. | 60 |
9 |
| FUJIFILM Corporation | 29329 |
8 |
| National Institute of Advanced Industrial Science and Technology | 3799 |
8 |
| Denka Company Limited | 2565 |
8 |
| Tosoh Corporation | 1283 |
7 |
| Furukawa Co., Ltd. | 94 |
7 |
| Siemens AG | 24518 |
6 |
| Sumitomo Electric Industries, Ltd. | 15443 |
6 |
| Nichia Corporation | 3696 |
6 |
| Japan Science and Technology Agency | 1325 |
6 |
| Tohoku University | 2776 |
6 |
| Samsung Electronics Co., Ltd. | 145630 |
5 |
| Sumitomo Chemical Company, Limited | 9046 |
5 |
| Bnnt, LLC | 69 |
5 |
| Other owners | 323 |