Patent holdings for IPC class H01L 35/22

Total number of patents in this class: 453

10-year publication summary

56
53
66
62
37
23
28
4
0
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
29329
44
Murata Manufacturing Co., Ltd.
24478
20
Zeon Corporation
4080
14
Sumitomo Chemical Company, Limited
9046
12
Fujitsu Limited
18341
10
National University Corporation Nara Institute of Science and Technology
237
10
Hitachi, Ltd.
15467
9
Mitsubishi Materials Corporation
2438
9
Samsung Electronics Co., Ltd.
145630
8
Sumitomo Electric Industries, Ltd.
15443
8
Hyundai Motor Company
21938
7
Panasonic Intellectual Property Management Co., Ltd.
31273
7
LG Innotek Co., Ltd.
7624
7
Kia Motors Corporation
7757
7
Consorzio Delta Ti Research
13
6
Universal Entertainment Corporation
553
6
Termo-ind S.A.
13
6
Panasonic Corporation
20128
5
Japan Science and Technology Agency
1325
5
Hitachi Metals, Ltd.
1983
4
Other owners 249