Patent holdings for IPC class C30B 15/14

Total number of patents in this class: 387

10-year publication summary

24
25
22
21
35
31
60
40
50
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Globalwafers Co., Ltd.
619
49
Shin-Etsu Handotai Co., Ltd.
1289
30
Sumco Corporation
1124
25
Siltronic AG
411
23
Meishan Boya Advanced Materials Co., Ltd.
69
19
Hanwha Solutions Corporation
704
16
SK Siltron Co., Ltd.
158
14
Xi'an Eswin Material Technology Co., Ltd.
70
13
Hanwha Corporation
291
10
Siemens Medical Solutions USA, Inc.
1544
9
LONGi Green Energy Technology Co., Ltd.
239
7
Sumco TECHXIV Corporation
104
6
Xi'an ESWIN Silicon Wafer Technology Co., Ltd.
21
6
Leading Edge Equipment Technologies, Inc.
12
6
Toyota Motor Corporation
30345
5
Forschungsverbund Berlin e.V.
196
5
LG Siltron Inc.
116
5
Zing Semiconductor Corporation
57
5
Corner Star Limited
95
5
Woongjin Energy Co., Ltd.
19
5
Other owners 124