- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/22 - Alkali metal sulfides or polysulfides
Patent holdings for IPC class C01B 17/22
Total number of patents in this class: 348
10-year publication summary
|
21
|
22
|
12
|
9
|
22
|
23
|
30
|
50
|
43
|
40
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4298 |
25 |
| Lake Technology., Ltd | 19 |
19 |
| Specialty Operations France | 941 |
17 |
| Solid Power Operating, Inc. | 143 |
15 |
| Samsung SDI Co., Ltd. | 10988 |
13 |
| Agc, Inc. | 5664 |
10 |
| Toyota Motor Corporation | 36389 |
9 |
| Rockwood Lithium GmbH | 42 |
8 |
| Centre National de La Recherche Scientifique | 11133 |
7 |
| Hyundai Motor Company | 25119 |
7 |
| Umicore | 784 |
7 |
| POSCO Holdings Inc. | 696 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
6 |
| Universite de Picardie Jules Verne | 133 |
6 |
| Albemarle Germany GmbH | 80 |
6 |
| Mitsui Kinzoku Company, Limited | 521 |
6 |
| National Institute of Advanced Industrial Science and Technology | 3791 |
5 |
| Rhodia Operations | 1483 |
5 |
| Isu Specialty Chemical | 5 |
5 |
| BASF SE | 21334 |
4 |
| Other owners | 161 |