- 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: 491
10-year publication summary
|
40
|
52
|
39
|
24
|
40
|
33
|
27
|
22
|
27
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15414 |
40 |
| Shin-Etsu Handotai Co., Ltd. | 1286 |
16 |
| Resonac Corporation | 2766 |
11 |
| Sumco Corporation | 1120 |
10 |
| Nanoxplore Inc. | 47 |
10 |
| NGK Insulators, Ltd. | 4944 |
9 |
| Element Six Technologies Limited | 192 |
9 |
| Tokuyama Corporation | 1384 |
7 |
| SiCrystal GmbH | 40 |
7 |
| Denso Corporation | 24223 |
6 |
| Disco Corporation | 1852 |
6 |
| Siltronic AG | 423 |
6 |
| Showa Denko K.K. | 2258 |
5 |
| Entegris, Inc. | 1863 |
5 |
| Seoul Semiconductor Co., Ltd. | 1080 |
5 |
| Samsung Electronics Co., Ltd. | 145025 |
4 |
| Hon Hai Precision Industry Co., Ltd. | 4040 |
4 |
| Infineon Technologies AG | 8209 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 31201 |
4 |
| Sumitomo Chemical Company, Limited | 9031 |
4 |
| Other owners | 319 |