- 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: 73
10-year publication summary
|
12
|
4
|
7
|
4
|
3
|
2
|
9
|
2
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kunming University of Science and Technology | 220 |
7 |
| Purdue Research Foundation | 3831 |
6 |
| Sharp Corporation | 10436 |
5 |
| Regents of the University of Minnesota | 2774 |
5 |
| Hanergy New Material Technology Co., Ltd. | 15 |
4 |
| General Electric Company | 13811 |
2 |
| The Regents of the University of California | 20473 |
2 |
| Lawrence Livermore National Security, LLC | 1958 |
2 |
| ADM International Sarl | 43 |
2 |
| Central South University | 468 |
2 |
| Pacific Rare Specialty Metals & Chemicals, Inc. | 2 |
2 |
| Spec150, LLC | 6 |
2 |
| Samsung Electronics Co., Ltd. | 153093 |
1 |
| LG Chem, Ltd. | 17805 |
1 |
| Merck Patent GmbH | 5716 |
1 |
| Centre National de La Recherche Scientifique | 10846 |
1 |
| Saudi Basic Industries Corporation | 530 |
1 |
| Empire Technology Development LLC | 1620 |
1 |
| Alma Mater Studiorum - Universita di Bologna | 425 |
1 |
| Brandenburgische Technische Universitat Cottbus-senftenberg | 33 |
1 |
| Other owners | 24 |