Français Register Login

  • All sections
  • C - Chemistrymetallurgy
  • C30B - Single-crystal growthunidirectional solidification of eutectic material or unidirectional demixing of eutectoid materialrefining by zone-melting of materialproduction of a homogeneous polycrystalline material with defined structuresingle crystals or homogeneous polycrystalline material with defined structureafter-treatment of single crystals or a homogeneous polycrystalline material with defined structureapparatus therefor
  • C30B 33/00 - After-treatment of single crystals or homogeneous polycrystalline material with defined structure

Patent holdings for IPC class C30B 33/00

Total number of patents in this class: 493

10-year publication summary

40
52
39
24
40
33
27
22
27
34
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Electric Industries, Ltd.
15483
40
Shin-Etsu Handotai Co., Ltd.
1284
16
Resonac Corporation
2800
11
Sumco Corporation
1115
10
Nanoxplore Inc.
50
10
NGK Insulators, Ltd.
4955
9
Element Six Technologies Limited
193
9
Tokuyama Corporation
1389
7
SiCrystal GmbH
40
7
Denso Corporation
24282
6
Disco Corporation
1858
6
Siltronic AG
422
6
Showa Denko K.K.
2230
5
Entegris, Inc.
1868
5
Seoul Semiconductor Co., Ltd.
1082
5
Samsung Electronics Co., Ltd.
146092
4
Hon Hai Precision Industry Co., Ltd.
4033
4
Infineon Technologies AG
8221
4
Panasonic Intellectual Property Management Co., Ltd.
31375
4
Sumitomo Chemical Company, Limited
9046
4
Other owners 321

  • ipowner home
  • ipqwery home
  • contact us
  • privacy policy
  • terms and conditions
© 2025 IPQwery All rights reserved