- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 31/10 - Preparation by using gaseous activating agents
Patent holdings for IPC class C01B 31/10
Total number of patents in this class: 133
10-year publication summary
|
20
|
3
|
2
|
1
|
3
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10097 |
9 |
| Sony Corporation | 31565 |
8 |
| Blucher GmbH | 191 |
8 |
| Asahi Organic Chemicals Industry Co., Ltd. | 90 |
3 |
| Kuraray Chemical Co., Ltd. | 23 |
3 |
| Hyundai Motor Company | 20403 |
2 |
| AION Co., Ltd. | 30 |
2 |
| British American Tobacco (Investments) Limited | 1030 |
2 |
| Cabot Norit Nederland B.V. | 4 |
2 |
| Cataler Corporation | 561 |
2 |
| Kureha Corporation | 1024 |
2 |
| National University Corporation Gunma University | 304 |
2 |
| Osaka Gas Chemicals Co., Ltd. | 124 |
2 |
| S & S Lime, Inc. | 3 |
2 |
| Tanaka Kikinzoku Kogyo K.K. | 588 |
2 |
| Teijin Limited | 1232 |
2 |
| Carbon Technology Holdings, LLC | 199 |
2 |
| Power Carbon Technology Co., Ltd. | 7 |
2 |
| Char Technologies Research Inc. | 3 |
2 |
| Samsung Electronics Co., Ltd. | 138518 |
1 |
| Other owners | 73 |