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