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 33/08 - Etching

Patent holdings for IPC class C30B 33/08

Total number of patents in this class: 153

10-year publication summary

6
15
10
12
14
9
17
17
13
13
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Diamond Innovations, Inc.
235
9
Mainstream Engineering Corporation
153
9
QROMIS, Inc.
97
8
Sumitomo Electric Industries, Ltd.
15696
4
Applied Materials, Inc.
19072
4
NGK Insulators, Ltd.
5131
4
ASM IP Holding B.V.
2133
4
Element Six Technologies Limited
200
4
Globalwafers Co., Ltd.
651
4
Kwansei Gakuin Educational Foundation
218
4
Shin-Etsu Chemical Co., Ltd.
5732
3
Nichia Corporation
3760
3
Toyota Tsusho Corporation
181
3
IIA Technologies Pte. Ltd.
14
3
Panasonic Holdings Corporation
1765
3
Panasonic Intellectual Property Management Co., Ltd.
32199
2
Sumitomo Chemical Company, Limited
9089
2
Fuji Electric Co., Ltd.
5232
2
AKHAN Semiconductor, Inc.
49
2
Nexeon Limited
160
2
Other owners 74

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