- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 19/02 - Elemental selenium or tellurium
Patent holdings for IPC class C01B 19/02
Total number of patents in this class: 72
10-year publication summary
|
5
|
15
|
5
|
7
|
4
|
3
|
2
|
9
|
2
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kunming University of Science and Technology | 183 |
7 |
| Purdue Research Foundation | 3612 |
6 |
| Sharp Corporation | 10237 |
5 |
| Regents of the University of Minnesota | 2696 |
5 |
| Hanergy New Material Technology Co., Ltd. | 15 |
4 |
| General Electric Company | 13780 |
2 |
| The Regents of the University of California | 19918 |
2 |
| Lawrence Livermore National Security, LLC | 1937 |
2 |
| ADM International Sarl | 42 |
2 |
| Central South University | 437 |
2 |
| Pacific Rare Specialty Metals & Chemicals, Inc. | 2 |
2 |
| Spec150, LLC | 6 |
2 |
| Samsung Electronics Co., Ltd. | 146092 |
1 |
| LG Chem, Ltd. | 17632 |
1 |
| Merck Patent GmbH | 5831 |
1 |
| Centre National de La Recherche Scientifique | 10418 |
1 |
| Saudi Basic Industries Corporation | 562 |
1 |
| Empire Technology Development LLC | 1620 |
1 |
| Alma Mater Studiorum - Universita di Bologna | 403 |
1 |
| Brandenburgische Technische Universitat Cottbus-senftenberg | 33 |
1 |
| Other owners | 23 |