- 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: 401
10-year publication summary
|
22
|
29
|
40
|
25
|
22
|
20
|
33
|
38
|
48
|
13
|
| 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. | 6096 |
31 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
20 |
| LG Chem, Ltd. | 17921 |
14 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
11 |
| Rhodia Operations | 1494 |
10 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4015 |
9 |
| Cognis IP Management GmbH | 549 |
6 |
| M. Technique Co., Ltd. | 252 |
6 |
| Nippon Chemical Industrial Co., Ltd. | 293 |
6 |
| Kabushiki Kaisha Toyota Jidoshokki | 1811 |
6 |
| Evonik Operations GmbH | 4362 |
6 |
| BTR New Material Group Co., Ltd. | 290 |
6 |
| Murata Manufacturing Co., Ltd. | 25744 |
5 |
| Tronox LLC | 154 |
5 |
| Dingyuan New Energy Technology Co., Ltd. | 94 |
5 |
| PQ LLC | 35 |
5 |
| Osaka Titanium Technologies Co., Ltd. | 73 |
4 |
| Pilkington Group Limited | 777 |
4 |
| Shoei Chemical Inc. | 332 |
4 |
| Taiheiyo Cement Corporation | 243 |
4 |
| Other owners | 234 |