- 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: 1573
10-year publication summary
155
|
182
|
152
|
140
|
140
|
120
|
94
|
137
|
123
|
46
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Seoul Viosys Co., Ltd. | 1479 |
95 |
Suzhou Lekin Semiconductor Co., Ltd. | 1406 |
73 |
Epistar Corporation | 1484 |
71 |
OSRAM Opto Semiconductors GmbH | 3287 |
69 |
Samsung Electronics Co., Ltd. | 147787 |
57 |
Sensor Electronic Technology, Inc. | 471 |
49 |
OSRAM OLED GmbH | 1771 |
47 |
LG Innotek Co., Ltd. | 7823 |
42 |
Quanzhou Sanan Semiconductor Technology Co., Ltd | 231 |
35 |
Xiamen San'an Optoelectronics Co., Ltd. | 294 |
32 |
Ams-osram International GmbH | 1049 |
31 |
Samsung Display Co., Ltd. | 35374 |
29 |
Nikkiso Co., Ltd. | 790 |
28 |
Xiamen Sanan Optoelectronics Technology Co., Ltd. | 188 |
28 |
Nichia Corporation | 3747 |
25 |
Toyoda Gosei Co., Ltd. | 1809 |
24 |
Commissariat à l'énergie atomique et aux energies alternatives | 10949 |
24 |
Dowa Electronics Materials Co., Ltd. | 635 |
24 |
Aledia | 350 |
19 |
Apple Inc. | 55491 |
17 |
Other owners | 754 |