Patent holdings for IPC class H01L 27/04

Total number of patents in this class: 2261

10-year publication summary

127
130
144
142
137
110
132
119
115
37
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Semiconductor Energy Laboratory Co., Ltd.
11448
181
Rohm Co., Ltd.
6468
158
Panasonic Corporation
20085
155
Murata Manufacturing Co., Ltd.
24621
148
Sony Semiconductor Solutions Corporation
10529
126
Socionext Inc.
1557
109
NEC Corporation
35793
79
Fuji Electric Co., Ltd.
5162
79
Mitsubishi Electric Corporation
46249
75
Denso Corporation
24372
64
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12781
51
Panasonic Intellectual Property Management Co., Ltd.
31598
47
Sharp Kabushiki Kaisha
18756
44
Fujitsu Limited
18404
41
Sony Corporation
31004
39
Renesas Electronics Corporation
6001
36
Hitachi Automotive Systems, Ltd.
3957
30
Texas Instruments Incorporated
19456
26
Hitachi, Ltd.
15521
25
Texas Instruments Japan, Ltd.
1656
22
Other owners 726