- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/3063 - Electrolytic etching
Patent holdings for IPC class H01L 21/3063
Total number of patents in this class: 183
10-year publication summary
|
11
|
15
|
8
|
20
|
19
|
16
|
8
|
6
|
10
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40893 |
14 |
| Sumitomo Chemical Company, Limited | 9006 |
9 |
| The Regents of the University of California | 19608 |
7 |
| Tokyo Electron Limited | 12166 |
7 |
| Infineon Technologies AG | 8146 |
6 |
| Infineon Technologies Austria AG | 2078 |
6 |
| Sciocs Company Limited | 43 |
6 |
| IQE plc. | 111 |
5 |
| Institut fur Solarenergieforschung GmbH | 33 |
4 |
| MicroLink Devices, Inc. | 38 |
4 |
| Yale University | 2305 |
4 |
| Samsung Display Co., Ltd. | 33072 |
3 |
| International Business Machines Corporation | 60279 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10706 |
3 |
| The Board of Trustees of the University of Illinois | 2678 |
3 |
| Screen Holdings Co., Ltd. | 2658 |
3 |
| STMicroelectronics (Crolles 2) SAS | 644 |
3 |
| Qualcomm Incorporated | 82510 |
2 |
| Matsushita Electric Works, Ltd. | 170 |
2 |
| Applied Materials, Inc. | 17887 |
2 |
| Other owners | 87 |