Patent holdings for IPC class H01L 33/12

Total number of patents in this class: 1436

10-year publication summary

148
151
121
137
95
102
81
76
87
29
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
144426
91
Seoul Viosys Co., Ltd.
1465
64
Sensor Electronic Technology, Inc.
470
59
Epistar Corporation
1489
58
Suzhou Lekin Semiconductor Co., Ltd.
1424
45
Quanzhou Sanan Semiconductor Technology Co., Ltd
228
28
OSRAM OLED GmbH
1783
27
Commissariat à l'énergie atomique et aux energies alternatives
10879
26
OSRAM Opto Semiconductors GmbH
3316
24
Lumileds LLC
1911
24
Seoul Semiconductor Co., Ltd.
1078
24
Nichia Corporation
3669
23
Samsung Display Co., Ltd.
34290
21
Enkris Semiconductor, Inc.
379
18
Silanna UV Technologies Pte Ltd
109
18
Toyoda Gosei Co., Ltd.
1771
17
PlayNitride Display Co., Ltd.
307
17
LG Display Co., Ltd.
13226
16
LG Innotek Co., Ltd.
7552
16
Xiamen Sanan Optoelectronics Technology Co., Ltd.
189
16
Other owners 804