- 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: 116
10-year publication summary
|
11
|
13
|
10
|
10
|
4
|
3
|
2
|
3
|
3
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 148402 |
4 |
| Toyota Motor Europe, | 270 |
4 |
| Idemitsu Kosan Co., Ltd. | 4243 |
3 |
| The Regents of the University of California | 20195 |
2 |
| Toyota Motor Corporation | 33183 |
2 |
| Toshiba Corporation | 12520 |
2 |
| Raytheon Company | 8413 |
2 |
| Massachusetts Institute of Technology | 10128 |
2 |
| Ajou University Industry-academic Cooperation Foundation | 1076 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 975 |
2 |
| Drexel University | 1007 |
2 |
| Korea Research Institute of Standards and Science | 684 |
2 |
| Korea University Research and Business Foundation | 3057 |
2 |
| Nanoco Technologies Ltd. | 144 |
2 |
| Nanotech Industrial Solutions Inc. | 24 |
2 |
| Nanyang Technological University | 2051 |
2 |
| Tokyo Institute of Technology | 1365 |
2 |
| Yeda Research and Development Co. Ltd. | 1353 |
2 |
| NanoMaterials Technology Pte Ltd | 10 |
2 |
| Nanoco 2D Materials Limited | 16 |
2 |
| Other owners | 71 |