Patent holdings for IPC class H01L 27/04

Total number of patents in this class: 2311

10-year publication summary

127
131
145
142
137
110
131
121
115
15
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.
11109
189
Rohm Co., Ltd.
6381
163
Panasonic Corporation
20307
155
Murata Manufacturing Co., Ltd.
23784
148
Sony Semiconductor Solutions Corporation
9770
122
Socionext Inc.
1553
104
NEC Corporation
34540
81
Fuji Electric Co., Ltd.
4991
77
Mitsubishi Electric Corporation
44962
74
Denso Corporation
23823
64
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
13060
51
Panasonic Intellectual Property Management Co., Ltd.
29895
47
Fujitsu Limited
18417
45
Sharp Kabushiki Kaisha
18867
44
Sony Corporation
31518
39
Renesas Electronics Corporation
6150
36
Hitachi Automotive Systems, Ltd.
3962
30
Hitachi, Ltd.
15247
26
Texas Instruments Incorporated
19443
26
Matsushita Electric Industrial Co., Ltd.
2717
23
Other owners 767