- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/428 - Bombardment with radiation with high-energy radiation using electromagnetic radiation, e.g. laser radiation
Patent holdings for IPC class H01L 21/428
Total number of patents in this class: 92
10-year publication summary
|
13
|
11
|
7
|
5
|
10
|
6
|
8
|
9
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Semiconductor Energy Laboratory Co., Ltd. | 11448 |
16 |
| Disco Corporation | 1868 |
7 |
| Samsung Electronics Co., Ltd. | 147003 |
5 |
| Japan Display Inc. | 6970 |
4 |
| Micron Technology, Inc. | 26251 |
3 |
| Infineon Technologies AG | 8235 |
2 |
| Boe Technology Group Co., Ltd. | 41346 |
2 |
| LG Display Co., Ltd. | 13741 |
1 |
| The Regents of the University of California | 19989 |
1 |
| Toyota Motor Corporation | 32542 |
1 |
| FUJIFILM Corporation | 29458 |
1 |
| Renesas Electronics Corporation | 6001 |
1 |
| Denso Corporation | 24372 |
1 |
| Applied Materials, Inc. | 18759 |
1 |
| Infineon Technologies Austria AG | 2156 |
1 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43015 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
1 |
| Konica Minolta Holdings, Inc. | 915 |
1 |
| United Microelectronics Corp. | 4242 |
1 |
| Pioneer Corporation | 4330 |
1 |
| Other owners | 40 |