- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/168 - After-treatment
Patent holdings for IPC class C01B 32/168
Total number of patents in this class: 657
10-year publication summary
|
48
|
70
|
110
|
74
|
72
|
73
|
50
|
44
|
39
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4123 |
29 |
| Tsinghua University | 6065 |
24 |
| Hon Hai Precision Industry Co., Ltd. | 4005 |
23 |
| Lintec of America, Inc. | 159 |
18 |
| Sumitomo Electric Industries, Ltd. | 15967 |
14 |
| University of Tsukuba | 626 |
14 |
| The Furukawa Electric Co., Ltd. | 3710 |
13 |
| Hitachi Zosen Corporation | 613 |
13 |
| LG Chem, Ltd. | 17744 |
12 |
| International Business Machines Corporation | 61906 |
10 |
| LG Energy Solution, Ltd. | 16647 |
10 |
| Molecular Rebar Design, LLC | 78 |
9 |
| National Institute of Advanced Industrial Science and Technology | 3799 |
8 |
| Goodrich Corporation | 2185 |
8 |
| Lintec Corporation | 1995 |
8 |
| Northrop Grumman Systems Corporation | 2933 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10976 |
6 |
| Korea Electrotechnology Research Institute | 481 |
6 |
| Tokusen Kogyo Co., Ltd. | 74 |
6 |
| Denso Corporation | 24991 |
5 |
| Other owners | 415 |