- 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: 140
10-year publication summary
22
|
20
|
3
|
2
|
1
|
3
|
0
|
0
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Corning Incorporated | 9932 |
10 |
Sony Corporation | 32931 |
8 |
Blucher GmbH | 192 |
8 |
Kuraray Chemical Co., Ltd. | 27 |
4 |
Asahi Organic Chemicals Industry Co., Ltd. | 97 |
3 |
Hyundai Motor Company | 19021 |
2 |
AION Co., Ltd. | 30 |
2 |
British American Tobacco (Investments) Limited | 1032 |
2 |
Cabot Norit Nederland B.V. | 4 |
2 |
Cataler Corporation | 533 |
2 |
Char Technologies Inc. | 3 |
2 |
Kureha Corporation | 1026 |
2 |
National University Corporation Gunma University | 306 |
2 |
Osaka Gas Chemicals Co., Ltd. | 113 |
2 |
S & S Lime, Inc. | 3 |
2 |
Tanaka Kikinzoku Kogyo K.K. | 589 |
2 |
Teijin Limited | 1216 |
2 |
Carbon Technology Holdings, LLC | 185 |
2 |
Power Carbon Technology Co., Ltd. | 8 |
2 |
Samsung Electronics Co., Ltd. | 131630 |
1 |
Other owners | 78 |