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: 158

10-year publication summary

15
10
12
14
9
18
17
14
15
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Diamond Innovations, Inc.
235
9
Mainstream Engineering Corporation
156
9
QROMIS, Inc.
97
8
ASM IP Holding B.V.
2401
5
Kwansei Gakuin Educational Foundation
225
5
Sumitomo Electric Industries, Ltd.
16355
4
Applied Materials, Inc.
20406
4
NGK Insulators, Ltd.
5239
4
Element Six Technologies Limited
207
4
Globalwafers Co., Ltd.
730
4
Toyota Tsusho Corporation
190
4
Shin-Etsu Chemical Co., Ltd.
6109
3
Nichia Corporation
3876
3
IIA Technologies Pte. Ltd.
13
3
Panasonic Holdings Corporation
1775
3
Advanced Diamond Holdings, LLC
22
3
Panasonic Intellectual Property Management Co., Ltd.
34035
2
Sumitomo Chemical Company, Limited
8968
2
Fuji Electric Co., Ltd.
5488
2
AKHAN Semiconductor, Inc.
50
2
Other owners 75

  • ipowner home
  • ipqwery home
  • contact us
  • privacy policy
  • terms and conditions
© 2026 IPQwery All rights reserved