- 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 29/68 - Crystals with laminate structure, e.g. "superlattices"
Patent holdings for IPC class C30B 29/68
Total number of patents in this class: 226
10-year publication summary
|
16
|
29
|
23
|
30
|
25
|
18
|
21
|
28
|
31
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| QROMIS, Inc. | 87 |
10 |
| NGK Insulators, Ltd. | 4589 |
7 |
| Industry-Academic Cooperation Foundation, Yonsei University | 2329 |
7 |
| ASM IP Holding B.V. | 1715 |
5 |
| Element Six Technologies Limited | 179 |
5 |
| Research & Business Foundation Sungkyunkwan University | 1640 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
4 |
| Applied Materials, Inc. | 16587 |
4 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| Sumitomo Chemical Company, Limited | 8808 |
4 |
| Fuji Electric Co., Ltd. | 4750 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
| Nichia Corporation | 3394 |
4 |
| Drexel University | 951 |
4 |
| NuFlare Technology, Inc. | 770 |
4 |
| The Regents of the University of California | 18943 |
3 |
| Denso Corporation | 23338 |
3 |
| Global Graphene Group, Inc. | 246 |
3 |
| Sensor Electronic Technology, Inc. | 471 |
3 |
| Tokuyama Corporation | 1248 |
3 |
| Other owners | 136 |