- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/20 - Methods for preparing sulfides or polysulfides, in general
Patent holdings for IPC class C01B 17/20
Total number of patents in this class: 127
10-year publication summary
|
14
|
11
|
10
|
5
|
4
|
2
|
4
|
4
|
6
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 159755 |
4 |
| Toyota Motor Europe, | 268 |
4 |
| Idemitsu Kosan Co., Ltd. | 4299 |
3 |
| The Regents of the University of California | 20987 |
2 |
| Toyota Motor Corporation | 36465 |
2 |
| Toshiba Corporation | 12754 |
2 |
| Raytheon Company | 8457 |
2 |
| Massachusetts Institute of Technology | 10324 |
2 |
| Ajou University Industry-academic Cooperation Foundation | 1217 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 1138 |
2 |
| Drexel University | 1000 |
2 |
| Korea Research Institute of Standards and Science | 691 |
2 |
| Korea University Research and Business Foundation | 3317 |
2 |
| Nanoco Technologies Ltd. | 144 |
2 |
| Nanotech Industrial Solutions Inc. | 18 |
2 |
| Nanyang Technological University | 2250 |
2 |
| Tokyo Institute of Technology | 1301 |
2 |
| Yeda Research and Development Co. Ltd. | 1392 |
2 |
| NanoMaterials Technology Pte Ltd | 9 |
2 |
| Nanoco 2D Materials Limited | 16 |
2 |
| Other owners | 82 |