- 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: 661
10-year publication summary
|
51
|
73
|
112
|
75
|
75
|
74
|
51
|
45
|
40
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4121 |
29 |
| Tsinghua University | 6112 |
24 |
| Hon Hai Precision Industry Co., Ltd. | 4015 |
23 |
| Lintec of America, Inc. | 159 |
18 |
| Sumitomo Electric Industries, Ltd. | 16113 |
14 |
| University of Tsukuba | 628 |
14 |
| The Furukawa Electric Co., Ltd. | 3701 |
13 |
| Hitachi Zosen Corporation | 608 |
13 |
| LG Chem, Ltd. | 17840 |
12 |
| International Business Machines Corporation | 62251 |
10 |
| LG Energy Solution, Ltd. | 17651 |
10 |
| Molecular Rebar Design, LLC | 78 |
9 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
8 |
| Goodrich Corporation | 2174 |
8 |
| Lintec Corporation | 2005 |
8 |
| Northrop Grumman Systems Corporation | 2933 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11013 |
6 |
| Korea Electrotechnology Research Institute | 484 |
6 |
| Tokusen Kogyo Co., Ltd. | 75 |
6 |
| Denso Corporation | 25232 |
5 |
| Other owners | 419 |