- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/354 - After-treatment
Patent holdings for IPC class C01B 32/354
Total number of patents in this class: 186
10-year publication summary
|
17
|
23
|
15
|
20
|
21
|
11
|
20
|
19
|
21
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3591 |
17 |
| Delcath Systems, Inc. | 38 |
6 |
| King Fahd University of Petroleum and Minerals | 1576 |
6 |
| Osaka Gas Chemicals Co., Ltd. | 144 |
6 |
| Archer Daniels Midland Company | 1077 |
5 |
| Evoqua Water Technologies LLC | 930 |
5 |
| Idemitsu Kosan Co., Ltd. | 4241 |
4 |
| Birchtech Corp. | 25 |
4 |
| Hyundai Motor Company | 24703 |
3 |
| Showa Denko K.K. | 2069 |
3 |
| Toray Industries, Inc. | 7111 |
3 |
| Group14 Technologies, Inc. | 120 |
3 |
| Carbonip Technologies Inc. | 8 |
3 |
| Honeycomb Battery Company | 407 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
2 |
| Lawrence Livermore National Security, LLC | 1976 |
2 |
| Academia Sinica | 958 |
2 |
| Blucher GmbH | 176 |
2 |
| BSH Hausgeräte GmbH | 5634 |
2 |
| Inha-Industry Partnership Institute | 170 |
2 |
| Other owners | 103 |