- 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: 266
10-year publication summary
|
18
|
15
|
25
|
17
|
12
|
30
|
20
|
22
|
7
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17561 |
12 |
| Sumitomo Electric Industries, Ltd. | 15344 |
12 |
| Denka Company Limited | 2533 |
12 |
| Samsung Electronics Co., Ltd. | 144143 |
7 |
| Drexel University | 984 |
7 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 636 |
6 |
| Applied Materials, Inc. | 18406 |
5 |
| TDK Corporation | 6674 |
5 |
| Massachusetts Institute of Technology | 10013 |
4 |
| Showa Denko K.K. | 2274 |
4 |
| American Air Liquide, Inc. | 247 |
4 |
| Gelest, Inc. | 140 |
4 |
| King Fahd University of Petroleum and Minerals | 1145 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3932 |
4 |
| National Institute for Materials Science | 1108 |
4 |
| Ube Industries, Ltd. | 853 |
4 |
| Versum Materials US, LLC | 640 |
4 |
| Edison Innovations, LLC | 703 |
4 |
| FUJIFILM Corporation | 29228 |
3 |
| Sumitomo Chemical Company, Limited | 9009 |
3 |
| Other owners | 154 |