- 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: 157
10-year publication summary
|
15
|
10
|
12
|
14
|
9
|
18
|
17
|
13
|
15
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Diamond Innovations, Inc. | 236 |
9 |
| Mainstream Engineering Corporation | 156 |
9 |
| QROMIS, Inc. | 97 |
8 |
| ASM IP Holding B.V. | 2241 |
5 |
| Kwansei Gakuin Educational Foundation | 220 |
5 |
| Sumitomo Electric Industries, Ltd. | 15994 |
4 |
| Applied Materials, Inc. | 19802 |
4 |
| NGK Insulators, Ltd. | 5211 |
4 |
| Element Six Technologies Limited | 203 |
4 |
| Globalwafers Co., Ltd. | 717 |
4 |
| Toyota Tsusho Corporation | 186 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 5884 |
3 |
| Nichia Corporation | 3803 |
3 |
| IIA Technologies Pte. Ltd. | 13 |
3 |
| Panasonic Holdings Corporation | 1789 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33120 |
2 |
| Sumitomo Chemical Company, Limited | 9058 |
2 |
| Fuji Electric Co., Ltd. | 5339 |
2 |
| AKHAN Semiconductor, Inc. | 50 |
2 |
| Rolex S.A. | 700 |
2 |
| Other owners | 75 |