- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/12 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a stress relaxation structure, e.g. buffer layer
Patent holdings for IPC class H01L 33/12
Total number of patents in this class: 1367
10-year publication summary
|
151
|
121
|
136
|
95
|
99
|
70
|
62
|
73
|
31
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158337 |
82 |
| Seoul Viosys Co., Ltd. | 1565 |
64 |
| Sensor Electronic Technology, Inc. | 465 |
58 |
| Ennostar Corporation | 1578 |
58 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1248 |
45 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
26 |
| OSRAM Opto Semiconductors GmbH | 3242 |
23 |
| Nichia Corporation | 3880 |
23 |
| Quanzhou Sanan Semiconductor Technology Co., Ltd | 247 |
23 |
| Samsung Display Co., Ltd. | 38791 |
22 |
| OSRAM OLED GmbH | 1392 |
22 |
| Seoul Semiconductor Co., Ltd. | 1059 |
22 |
| Lumileds Singapore Pte. Ltd. | 1264 |
20 |
| Ams-osram International GmbH | 1666 |
19 |
| Toyoda Gosei Co., Ltd. | 1856 |
17 |
| Xiamen Sanan Optoelectronics Technology Co., Ltd. | 187 |
16 |
| PlayNitride Display Co., Ltd. | 346 |
16 |
| Hon Hai Precision Industry Co., Ltd. | 4024 |
15 |
| Applied Materials, Inc. | 20459 |
15 |
| LG Innotek Co., Ltd. | 8498 |
15 |
| Other owners | 766 |