- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/32 - Alkali metal silicates
Patent holdings for IPC class C01B 33/32
Total number of patents in this class: 411
10-year publication summary
|
22
|
29
|
40
|
25
|
22
|
20
|
33
|
38
|
48
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 6157 |
31 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
20 |
| LG Chem, Ltd. | 17986 |
14 |
| National Institute of Advanced Industrial Science and Technology | 3791 |
11 |
| Rhodia Operations | 1483 |
10 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4048 |
9 |
| Evonik Operations GmbH | 4443 |
8 |
| Cognis IP Management GmbH | 526 |
6 |
| M. Technique Co., Ltd. | 253 |
6 |
| Nippon Chemical Industrial Co., Ltd. | 295 |
6 |
| Kabushiki Kaisha Toyota Jidoshokki | 1840 |
6 |
| BTR New Material Group Co., Ltd. | 296 |
6 |
| Murata Manufacturing Co., Ltd. | 25998 |
5 |
| Tronox LLC | 144 |
5 |
| Dingyuan New Energy Technology Co., Ltd. | 94 |
5 |
| PQ LLC | 39 |
5 |
| SK on Co., Ltd. | 2528 |
5 |
| Osaka Titanium Technologies Co., Ltd. | 73 |
4 |
| Pilkington Group Limited | 781 |
4 |
| Shoei Chemical Inc. | 333 |
4 |
| Other owners | 241 |