- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 21/064 - Binary compounds of nitrogen with metals, with silicon, or with boron with boron
Patent holdings for IPC class C01B 21/064
Total number of patents in this class: 705
10-year publication summary
|
43
|
61
|
64
|
69
|
73
|
77
|
95
|
57
|
60
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2458 |
111 |
| Bnnt, LLC | 74 |
43 |
| Tokuyama Corporation | 1342 |
31 |
| FUJIFILM Corporation | 28555 |
23 |
| Sekisui Chemical Co., Ltd. | 3307 |
13 |
| The Regents of the University of California | 19503 |
11 |
| Sumitomo Electric Industries, Ltd. | 14956 |
10 |
| Showa Denko K.K. | 2340 |
10 |
| Mitsubishi Chemical Corporation | 4446 |
10 |
| Mizushima Ferroalloy Co., Ltd. | 14 |
10 |
| 3m Innovative Properties Company | 17951 |
9 |
| National Research Council of Canada | 1566 |
9 |
| Sumitomo Electric Hardmetal Corp. | 1006 |
8 |
| Diamond Innovations, Inc. | 237 |
8 |
| NAiEEL Technology | 11 |
8 |
| Lawrence Livermore National Security, LLC | 1881 |
7 |
| Adeka Corporation | 1341 |
7 |
| Deakin University | 125 |
7 |
| Rogers Corporation | 471 |
7 |
| Resonac Corporation | 2414 |
7 |
| Other owners | 356 |