Patent holdings for IPC class C30B 15/10

Total number of patents in this class: 550

10-year publication summary

29
24
26
28
36
38
54
51
54
16
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumco Corporation
1117
112
Globalwafers Co., Ltd.
640
72
Shin-Etsu Quartz Products Co., Ltd.
147
30
Japan Super Quartz Corporation
38
27
SK Siltron Co., Ltd.
162
18
Shin-Etsu Handotai Co., Ltd.
1283
17
Siltronic AG
422
17
Hanwha Solutions Corporation
818
15
Hanwha Corporation
297
13
Toyo Tanso Co., Ltd.
222
11
Siemens Medical Solutions USA, Inc.
1513
10
Xi'an Eswin Material Technology Co., Ltd.
79
10
Heraeus Quarzglas GmbH & Co. KG
409
6
Shin-Etsu Chemical Co., Ltd.
5651
5
Corner Star Limited
95
5
LONGi Green Energy Technology Co., Ltd.
286
5
Meishan Boya Advanced Materials Co., Ltd.
84
5
Toyota Motor Corporation
31985
4
Commissariat à l'énergie atomique et aux energies alternatives
10923
4
Forschungsverbund Berlin e.V.
192
4
Other owners 160