- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds 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: 269
10-year publication summary
|
19
|
18
|
15
|
25
|
17
|
12
|
28
|
20
|
21
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2189 |
16 |
| Sumitomo Electric Industries, Ltd. | 14131 |
12 |
| LG Chem, Ltd. | 17205 |
10 |
| Drexel University | 951 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
6 |
| National Institute for Materials Science | 1108 |
6 |
| Applied Materials, Inc. | 16587 |
5 |
| TDK Corporation | 6306 |
5 |
| Nichia Corporation | 3394 |
5 |
| Ube Industries, Ltd. | 921 |
5 |
| Showa Denko K.K. | 2539 |
4 |
| American Air Liquide, Inc. | 223 |
4 |
| GE Phosphors Technology, LLC | 16 |
4 |
| Gelest, Inc. | 104 |
4 |
| King Fahd University of Petroleum and Minerals | 779 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
4 |
| Versum Materials US, LLC | 591 |
4 |
| FUJIFILM Corporation | 27102 |
3 |
| Massachusetts Institute of Technology | 9795 |
3 |
| Other owners | 152 |