- 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: 939
10-year publication summary
|
88
|
65
|
75
|
90
|
90
|
61
|
64
|
80
|
55
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
51 |
| OSRAM Opto Semiconductors GmbH | 3390 |
44 |
| Sensor Electronic Technology, Inc. | 471 |
41 |
| Seoul Viosys Co., Ltd. | 1359 |
37 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
37 |
| The Regents of the University of California | 18943 |
22 |
| LG Innotek Co., Ltd. | 6758 |
22 |
| Epistar Corporation | 1553 |
22 |
| Lumileds LLC | 1827 |
19 |
| OSRAM OLED GmbH | 1841 |
15 |
| Xiamen San'an Optoelectronics Co., Ltd. | 245 |
15 |
| equal1.labs Inc. | 38 |
15 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
14 |
| Rohm Co., Ltd. | 5843 |
13 |
| Samsung Display Co., Ltd. | 30585 |
12 |
| Nichia Corporation | 3394 |
12 |
| Toyoda Gosei Co., Ltd. | 1746 |
9 |
| Seoul Semiconductor Co., Ltd. | 1073 |
9 |
| Silanna UV Technologies Pte Ltd | 83 |
9 |
| Lumeova, Inc. | 24 |
9 |
| Other owners | 512 |