- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds 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: 764
10-year publication summary
|
61
|
64
|
69
|
73
|
79
|
95
|
59
|
62
|
46
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2728 |
120 |
| Tokuyama Corporation | 1481 |
41 |
| Bnnt, LLC | 63 |
39 |
| FUJIFILM Corporation | 30516 |
24 |
| Sekisui Chemical Co., Ltd. | 3619 |
13 |
| Sumitomo Electric Industries, Ltd. | 16355 |
12 |
| The Regents of the University of California | 20778 |
11 |
| Resonac Corporation | 3546 |
11 |
| Showa Denko K.K. | 2069 |
10 |
| Mitsubishi Chemical Corporation | 4723 |
10 |
| Mizushima Ferroalloy Co., Ltd. | 14 |
10 |
| National Research Council of Canada | 1548 |
10 |
| 3m Innovative Properties Company | 17481 |
9 |
| Sumitomo Electric Hardmetal Corp. | 1101 |
9 |
| Diamond Innovations, Inc. | 235 |
9 |
| William Marsh Rice University | 1070 |
9 |
| NAiEEL Technology | 11 |
8 |
| Naieel Technology, Inc. | 18 |
8 |
| Lawrence Livermore National Security, LLC | 1976 |
7 |
| Adeka Corporation | 1379 |
7 |
| Other owners | 387 |