Patent holdings for IPC class H01L 33/02

Total number of patents in this class: 1256

10-year publication summary

118
123
112
91
84
76
53
70
38
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Epistar Corporation
1484
55
OSRAM Opto Semiconductors GmbH
3273
50
Seoul Viosys Co., Ltd.
1516
46
Suzhou Lekin Semiconductor Co., Ltd.
1295
39
LG Innotek Co., Ltd.
8126
38
OSRAM OLED GmbH
1756
38
Samsung Electronics Co., Ltd.
152914
37
Nichia Corporation
3822
32
Jade Bird Display (Shanghai) Limited
394
29
Sensor Electronic Technology, Inc.
465
28
Samsung Display Co., Ltd.
37602
26
Ams-osram International GmbH
1196
26
Lumileds Singapore Pte. Ltd.
1260
23
LG Electronics Inc.
74791
21
Xiamen San'an Optoelectronics Co., Ltd.
306
17
Seoul Semiconductor Co., Ltd.
1072
16
Semiconductor Energy Laboratory Co., Ltd.
11649
14
Micron Technology, Inc.
27253
13
Applied Materials, Inc.
19908
12
Commissariat à l'énergie atomique et aux energies alternatives
10975
12
Other owners 684