- 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: 385
10-year publication summary
|
10
|
20
|
29
|
38
|
25
|
21
|
19
|
30
|
38
|
39
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5685 |
31 |
| Panasonic Intellectual Property Management Co., Ltd. | 31806 |
20 |
| LG Chem, Ltd. | 17644 |
12 |
| National Institute of Advanced Industrial Science and Technology | 3798 |
11 |
| Rhodia Operations | 1587 |
9 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3743 |
7 |
| Cognis IP Management GmbH | 631 |
6 |
| M. Technique Co., Ltd. | 248 |
6 |
| Nippon Chemical Industrial Co., Ltd. | 287 |
6 |
| Kabushiki Kaisha Toyota Jidoshokki | 1764 |
6 |
| Murata Manufacturing Co., Ltd. | 24713 |
5 |
| Tronox LLC | 162 |
5 |
| Evonik Operations GmbH | 4154 |
5 |
| AGC Flat Glass Europe SA | 58 |
4 |
| Osaka Titanium Technologies Co., Ltd. | 78 |
4 |
| Pilkington Group Limited | 773 |
4 |
| Shoei Chemical Inc. | 325 |
4 |
| Taiheiyo Cement Corporation | 238 |
4 |
| BTR New Material Group Co., Ltd. | 222 |
4 |
| LG Energy Solution, Ltd. | 15292 |
4 |
| Other owners | 228 |