Patent holdings for IPC class H01L 27/28

Total number of patents in this class: 708

10-year publication summary

90
104
90
87
71
34
14
0
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
151485
45
Sony Semiconductor Solutions Corporation
11052
37
Samsung Display Co., Ltd.
37252
33
Boe Technology Group Co., Ltd.
42489
33
Sony Corporation
30588
23
Taiwan Semiconductor Manufacturing Company, Ltd.
46613
22
Semiconductor Energy Laboratory Co., Ltd.
11608
18
OSRAM OLED GmbH
1757
14
International Business Machines Corporation
61929
13
Pictiva Displays International Limited
258
13
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8475
12
Magnolia White Corporation
5501
12
LG Display Co., Ltd.
14085
11
Merck Patent GmbH
5724
11
Nantero, Inc.
146
10
Canon Inc.
41672
7
Micron Technology, Inc.
27165
7
Nikon Corporation
7263
7
SanDisk 3D LLC
263
7
Commissariat à l'énergie atomique et aux energies alternatives
10979
7
Other owners 366