Patent holdings for IPC class C30B 31/22

Total number of patents in this class: 117

10-year publication summary

7
12
10
5
11
6
2
14
11
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Shin-Etsu Chemical Co., Ltd.
5598
11
Sumitomo Electric Industries, Ltd.
15344
6
Element Six Technologies Limited
192
6
North Carolina State University
1555
6
Shin-Etsu Handotai Co., Ltd.
1287
6
Soitec
991
5
Apple Inc.
54479
4
Kwansei Gakuin Educational Foundation
217
4
Infineon Technologies AG
8199
3
Sumitomo Chemical Company, Limited
9009
3
Fuji Electric Co., Ltd.
5106
3
Commissariat à l'énergie atomique et aux energies alternatives
10837
3
National Institute of Information and Communications Technology
631
3
Tamura Corporation
356
3
Infineon Technologies Austria AG
2130
2
Mitsubishi Electric Corporation
45811
2
Nippon Telegraph and Telephone Corporation
17157
2
Universitat Leipzig
114
2
Universitat Ulm
108
2
Wolfspeed, Inc.
688
2
Other owners 39