- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/04 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction
Patent holdings for IPC class H01L 33/04
Total number of patents in this class: 969
10-year publication summary
|
75
|
88
|
90
|
60
|
63
|
96
|
47
|
30
|
29
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158442 |
55 |
| Sensor Electronic Technology, Inc. | 465 |
42 |
| OSRAM Opto Semiconductors GmbH | 3240 |
38 |
| Seoul Viosys Co., Ltd. | 1565 |
36 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1242 |
32 |
| Hue Inc. | 234 |
27 |
| Ennostar Corporation | 1578 |
25 |
| The Regents of the University of California | 20815 |
21 |
| LG Innotek Co., Ltd. | 8517 |
20 |
| Samsung Display Co., Ltd. | 38817 |
16 |
| Xiamen San'an Optoelectronics Co., Ltd. | 322 |
15 |
| equal1.labs Inc. | 38 |
15 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
14 |
| OSRAM OLED GmbH | 1390 |
14 |
| Rohm Co., Ltd. | 6877 |
11 |
| Nichia Corporation | 3884 |
11 |
| Lumileds Singapore Pte. Ltd. | 1263 |
11 |
| Lumileds LLC | 788 |
10 |
| Silanna UV Technologies Pte Ltd | 123 |
10 |
| Toyoda Gosei Co., Ltd. | 1857 |
9 |
| Other owners | 537 |