Patent holdings for IPC class C30B 15/04

Total number of patents in this class: 284

10-year publication summary

14
29
20
29
16
31
18
21
32
13
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Sumco Corporation
1116
42
Globalwafers Co., Ltd.
561
41
Sumco TECHXIV Corporation
109
29
Siltronic AG
395
18
Shin-Etsu Handotai Co., Ltd.
1277
17
Luxium Solutions, LLC
90
12
Xi'an Eswin Material Technology Co., Ltd.
45
11
Infineon Technologies AG
8189
10
Corner Star Limited
95
9
MEMC Electronic Materials SpA
20
5
Globalwafers Japan Co., Ltd.
62
4
LG Siltron Inc.
116
4
Tokuyama Corporation
1248
4
SK Siltron Co., Ltd.
146
4
Commissariat à l'énergie atomique et aux energies alternatives
10525
3
Showa Denko K.K.
2539
3
GT Advanced CZ, LLC
5
3
GTAT IP Holding LLC
7
3
Siemens Medical Solutions USA, Inc.
1584
2
Elkem Solar AS
12
2
Other owners 58