- All sections
- C - Chemistrymetallurgy
- C25F - Processes for the electrolytic removal of materials from objectsapparatus therefor
- C25F 3/12 - Etching of semiconducting materials
Patent holdings for IPC class C25F 3/12
Total number of patents in this class: 143
10-year publication summary
|
9
|
10
|
12
|
11
|
9
|
6
|
9
|
13
|
8
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
6 |
| RENA Technologies GmbH | 45 |
6 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1608 |
5 |
| Roche Sequencing Solutions, Inc. | 722 |
5 |
| The Regents of the University of California | 20720 |
4 |
| Institut fur Solarenergieforschung GmbH | 34 |
4 |
| The Methodist Hospital | 148 |
4 |
| NexWafe GmbH | 29 |
4 |
| TruTag Technologies, Inc. | 40 |
4 |
| Lockheed Martin Corporation | 3260 |
3 |
| Sumitomo Chemical Company, Limited | 8996 |
3 |
| Board of Regents, The University of Texas System | 6102 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
3 |
| Cambridge Enterprise Limited | 1243 |
3 |
| Christian-albrechts-universitat zu Kiel | 251 |
3 |
| IQE plc. | 126 |
3 |
| William Marsh Rice University | 1070 |
3 |
| Nielson Scientific, LLC | 16 |
3 |
| Ionblox, Inc. | 67 |
3 |
| The Boeing Company | 20160 |
2 |
| Other owners | 69 |