Patent holdings for IPC class C30B 15/04

Total number of patents in this class: 340

10-year publication summary

20
29
16
31
18
21
33
35
17
18
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Globalwafers Co., Ltd.
730
57
Sumco Corporation
1108
51
Sumco TECHXIV Corporation
93
28
Siltronic AG
433
23
Shin-Etsu Handotai Co., Ltd.
1306
18
Luxium Solutions, LLC
119
18
Xi'an Eswin Material Technology Co., Ltd.
102
12
Infineon Technologies AG
8400
10
Corner Star Limited
95
9
Globalwafers Japan Co., Ltd.
71
7
MEMC Electronic Materials SpA
19
5
LONGi Green Energy Technology Co., Ltd.
438
5
LG Siltron Inc.
116
4
Tokuyama Corporation
1474
4
SK Siltron Co., Ltd.
171
4
Commissariat à l'énergie atomique et aux energies alternatives
11127
3
Showa Denko K.K.
2072
3
GT Advanced CZ, LLC
5
3
GTAT IP Holding LLC
7
3
Hanwha Solutions Corporation
1168
3
Other owners 70