- 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: 380
10-year publication summary
|
10
|
20
|
29
|
38
|
25
|
21
|
19
|
30
|
38
|
36
|
| 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. | 5669 |
31 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
20 |
| LG Chem, Ltd. | 17635 |
12 |
| National Institute of Advanced Industrial Science and Technology | 3789 |
11 |
| Rhodia Operations | 1587 |
9 |
| Cognis IP Management GmbH | 634 |
6 |
| M. Technique Co., Ltd. | 248 |
6 |
| Nippon Chemical Industrial Co., Ltd. | 284 |
6 |
| Kabushiki Kaisha Toyota Jidoshokki | 1758 |
6 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3621 |
6 |
| Murata Manufacturing Co., Ltd. | 24603 |
5 |
| Tronox LLC | 163 |
5 |
| Evonik Operations GmbH | 4114 |
5 |
| AGC Flat Glass Europe SA | 59 |
4 |
| Osaka Titanium Technologies Co., Ltd. | 79 |
4 |
| Pilkington Group Limited | 773 |
4 |
| Shoei Chemical Inc. | 323 |
4 |
| Taiheiyo Cement Corporation | 238 |
4 |
| BTR New Material Group Co., Ltd. | 217 |
4 |
| LG Energy Solution, Ltd. | 15119 |
4 |
| Other owners | 224 |