Patent holdings for IPC class H01L 21/477

Total number of patents in this class: 393

10-year publication summary

69
67
45
46
43
36
21
26
22
6
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Semiconductor Energy Laboratory Co., Ltd.
10902
128
Taiwan Semiconductor Manufacturing Company, Ltd.
36809
21
Samsung Display Co., Ltd.
30585
15
Boe Technology Group Co., Ltd.
35384
15
Applied Materials, Inc.
16587
10
International Business Machines Corporation
60644
8
Mainstream Engineering Corporation
143
5
Samsung Electronics Co., Ltd.
131630
4
Sharp Corporation
10015
4
Hon Hai Precision Industry Co., Ltd.
4157
4
United Microelectronics Corp.
3921
4
Semiconductor Components Industries, L.L.C.
5345
4
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8635
4
Commissariat à l'énergie atomique et aux energies alternatives
10525
4
LG Display Co., Ltd.
11907
3
The Regents of the University of California
18943
3
Micron Technology, Inc.
24960
3
Mitsubishi Electric Corporation
43934
3
Auburn University
506
3
Flosfia Inc.
210
3
Other owners 145