- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 21/082 - Compounds containing nitrogen and non-metals
Patent holdings for IPC class C01B 21/082
Total number of patents in this class: 275
10-year publication summary
|
14
|
25
|
17
|
12
|
28
|
20
|
21
|
7
|
10
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17805 |
12 |
| Denka Company Limited | 2692 |
12 |
| Sumitomo Electric Industries, Ltd. | 16061 |
11 |
| Samsung Electronics Co., Ltd. | 153093 |
9 |
| Drexel University | 1017 |
7 |
| Massachusetts Institute of Technology | 10192 |
6 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 606 |
6 |
| Applied Materials, Inc. | 19938 |
5 |
| TDK Corporation | 6805 |
5 |
| Showa Denko K.K. | 2110 |
4 |
| American Air Liquide, Inc. | 262 |
4 |
| Gelest, Inc. | 164 |
4 |
| King Fahd University of Petroleum and Minerals | 1467 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4042 |
4 |
| National Institute for Materials Science | 1088 |
4 |
| Ube Industries, Ltd. | 793 |
4 |
| Versum Materials US, LLC | 664 |
4 |
| Edison Innovations, LLC | 467 |
4 |
| FUJIFILM Corporation | 30206 |
3 |
| Sumitomo Chemical Company, Limited | 9046 |
3 |
| Other owners | 160 |