Patent holdings for IPC class C30B 35/00

Total number of patents in this class: 842

10-year publication summary

36
34
40
51
73
57
68
58
61
29
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumco Corporation
1117
55
Globalwafers Co., Ltd.
640
40
Resonac Corporation
2790
25
Applied Materials, Inc.
18589
24
Siltronic AG
422
16
Commissariat à l'énergie atomique et aux energies alternatives
10923
14
Zadient Technologies SAS
32
14
Shin-Etsu Chemical Co., Ltd.
5651
12
GTAT Corporation
113
12
Ebner Industrieofenbau GmbH
142
10
LPE S.p.A.
73
10
Shin-Etsu Quartz Products Co., Ltd.
147
10
SLT Technologies, Inc.
129
10
Shin-Etsu Handotai Co., Ltd.
1283
9
Meishan Boya Advanced Materials Co., Ltd.
84
9
Siemens Medical Solutions USA, Inc.
1513
8
Corner Star Limited
95
8
SK Siltron Co., Ltd.
162
8
Senic Inc.
47
8
Toyoda Gosei Co., Ltd.
1776
7
Other owners 533