- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/14 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a carrier transport control structure, e.g. highly-doped semiconductor layer or current-blocking structure
Patent holdings for IPC class H01L 33/14
Total number of patents in this class: 1467
10-year publication summary
147
|
155
|
182
|
152
|
140
|
141
|
120
|
101
|
140
|
36
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Seoul Viosys Co., Ltd. | 1359 |
89 |
Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
83 |
OSRAM Opto Semiconductors GmbH | 3390 |
72 |
Epistar Corporation | 1553 |
72 |
Samsung Electronics Co., Ltd. | 131630 |
59 |
OSRAM OLED GmbH | 1841 |
48 |
Sensor Electronic Technology, Inc. | 471 |
47 |
LG Innotek Co., Ltd. | 6758 |
42 |
Quanzhou Sanan Semiconductor Technology Co., Ltd | 202 |
33 |
Nikkiso Co., Ltd. | 754 |
27 |
Xiamen San'an Optoelectronics Co., Ltd. | 245 |
27 |
Dowa Electronics Materials Co., Ltd. | 610 |
26 |
Xiamen Sanan Optoelectronics Technology Co., Ltd. | 188 |
26 |
Nichia Corporation | 3394 |
23 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
21 |
Samsung Display Co., Ltd. | 30585 |
19 |
Toyoda Gosei Co., Ltd. | 1746 |
19 |
Aledia | 303 |
18 |
Apple Inc. | 50209 |
17 |
Lumileds LLC | 1827 |
16 |
Other owners | 683 |