- All sections
- C - Chemistry; metallurgy
- C30B - Single-crystal growth; unidirectional solidification of eutectic material or unidirectional demixing of eutectoid material; refining by zone-melting of material; production of a homogeneous polycrystalline material with defined structure; single crystals or homogeneous polycrystalline material with defined structure; after-treatment of single crystals or a homogeneous polycrystalline material with defined structure; apparatus 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: 444
10-year publication summary
|
37
|
40
|
52
|
39
|
24
|
39
|
30
|
26
|
22
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 14131 |
36 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
15 |
| Nanoxplore Inc. | 43 |
10 |
| NGK Insulators, Ltd. | 4589 |
8 |
| Element Six Technologies Limited | 179 |
8 |
| Sumco Corporation | 1116 |
8 |
| Cree, Inc. | 1157 |
7 |
| Resonac Corporation | 2233 |
7 |
| Denso Corporation | 23338 |
6 |
| Tokuyama Corporation | 1248 |
6 |
| SiCrystal GmbH | 32 |
6 |
| Showa Denko K.K. | 2539 |
5 |
| Entegris, Inc. | 1736 |
5 |
| Seoul Semiconductor Co., Ltd. | 1073 |
5 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
4 |
| Infineon Technologies AG | 8189 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Sumitomo Chemical Company, Limited | 8808 |
4 |
| Tsinghua University | 5426 |
4 |
| Mitsubishi Chemical Corporation | 4313 |
4 |
| Other owners | 288 |