- All sections
- H - Electricity
- H10D - Inorganic electric semiconductor devices
- H10D 62/57 - Physical imperfections the imperfections being on the surface of the semiconductor body, e.g. the body having a roughened surface
Patent holdings for IPC class H10D 62/57
Total number of patents in this class: 15
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
1
|
4
|
1
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Display Co., Ltd. | 15056 |
2 |
| Samsung Display Co., Ltd. | 39087 |
1 |
| Infineon Technologies Austria AG | 2359 |
1 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48861 |
1 |
| Rohm Co., Ltd. | 6908 |
1 |
| NGK Insulators, Ltd. | 5174 |
1 |
| Globalwafers Co., Ltd. | 734 |
1 |
| Mitsumi Electric Co., Ltd. | 1293 |
1 |
| Nanya Technology Corporation | 2961 |
1 |
| OTI Lumionics Inc. | 175 |
1 |
| Agc, Inc. | 5634 |
1 |
| SiCrystal GmbH | 49 |
1 |
| UCL Business Ltd | 678 |
1 |
| Grapheal | 10 |
1 |
| Other owners | 0 |