- 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: 146
10-year publication summary
|
6
|
15
|
10
|
12
|
14
|
9
|
16
|
16
|
13
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mainstream Engineering Corporation | 152 |
9 |
| Diamond Innovations, Inc. | 235 |
8 |
| QROMIS, Inc. | 96 |
8 |
| Sumitomo Electric Industries, Ltd. | 15529 |
4 |
| Applied Materials, Inc. | 18746 |
4 |
| NGK Insulators, Ltd. | 4968 |
4 |
| ASM IP Holding B.V. | 2083 |
4 |
| Kwansei Gakuin Educational Foundation | 218 |
4 |
| Nichia Corporation | 3713 |
3 |
| Element Six Technologies Limited | 193 |
3 |
| Globalwafers Co., Ltd. | 643 |
3 |
| Toyota Tsusho Corporation | 182 |
3 |
| IIA Technologies Pte. Ltd. | 14 |
3 |
| Panasonic Holdings Corporation | 1739 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
2 |
| Sumitomo Chemical Company, Limited | 9043 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5669 |
2 |
| Fuji Electric Co., Ltd. | 5160 |
2 |
| AKHAN Semiconductor, Inc. | 50 |
2 |
| Nexeon Limited | 158 |
2 |
| Other owners | 71 |