Patent holdings for IPC class H01L 33/38

Total number of patents in this class: 5218

10-year publication summary

427
408
425
453
451
484
526
575
659
147
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Samsung Display Co., Ltd.
30585
621
Seoul Viosys Co., Ltd.
1359
339
Epistar Corporation
1553
312
Samsung Electronics Co., Ltd.
131630
278
OSRAM Opto Semiconductors GmbH
3390
262
Suzhou Lekin Semiconductor Co., Ltd.
1710
261
Nichia Corporation
3394
253
OSRAM OLED GmbH
1841
191
LG Electronics Inc.
69257
134
Lumileds LLC
1827
106
Micron Technology, Inc.
24960
89
LG Innotek Co., Ltd.
6758
69
PlayNitride Display Co., Ltd.
273
69
LG Display Co., Ltd.
11907
65
Boe Technology Group Co., Ltd.
35384
62
Seoul Semiconductor Co., Ltd.
1073
61
Quanzhou Sanan Semiconductor Technology Co., Ltd
202
58
Creeled, Inc.
748
53
Rohm Co., Ltd.
5843
51
Toyoda Gosei Co., Ltd.
1746
46
Other owners 1838