Patent holdings for IPC class H01L 27/12

Total number of patents in this class: 23593

10-year publication summary

2198
2659
2654
2690
2692
2414
2275
1662
1595
572
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Boe Technology Group Co., Ltd.
35384
3211
Samsung Display Co., Ltd.
30585
2685
Semiconductor Energy Laboratory Co., Ltd.
10902
2450
LG Display Co., Ltd.
11907
883
Taiwan Semiconductor Manufacturing Company, Ltd.
36809
700
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8635
647
Japan Display Inc.
6202
602
International Business Machines Corporation
60644
528
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
3454
477
Wuhan China Star Optoelectronics Technology Co., Ltd.
3894
468
GLOBALFOUNDRIES U.S. Inc.
6459
432
Samsung Electronics Co., Ltd.
131630
405
Sharp Corporation
10015
401
Innolux Corporation
3151
396
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
4721
391
Chengdu BOE Optoelectronics Technology Co., Ltd.
4805
351
Hefei Xinsheng Optoelectronics Technology Co., Ltd.
2483
331
Beijing BOE Optoelectronics Technology Co., Ltd.
3779
297
Beijing BOE Display Technology Co., Ltd.
2497
276
Au Optronics Corporation
3880
258
Other owners 7404