Patent holdings for IPC class H01L 27/28

Total number of patents in this class: 728

10-year publication summary

64
90
104
90
87
71
35
21
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
145416
47
Sony Semiconductor Solutions Corporation
10390
37
Samsung Display Co., Ltd.
34539
34
Boe Technology Group Co., Ltd.
40912
33
Semiconductor Energy Laboratory Co., Ltd.
11377
24
Sony Corporation
31093
23
Taiwan Semiconductor Manufacturing Company, Ltd.
42461
23
Japan Display Inc.
6910
14
OSRAM OLED GmbH
1779
14
International Business Machines Corporation
61207
13
Pictiva Displays International Limited
264
13
LG Display Co., Ltd.
13397
12
Merck Patent GmbH
5829
12
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8478
12
Nantero, Inc.
175
10
Canon Inc.
39713
7
Micron Technology, Inc.
26231
7
Nikon Corporation
7158
7
SanDisk 3D LLC
275
7
Commissariat à l'énergie atomique et aux energies alternatives
10924
7
Other owners 372