- 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 19/04 - Liquid-phase epitaxial-layer growth using molten solvents, e.g. flux the solvent being a component of the crystal composition
Patent holdings for IPC class C30B 19/04
Total number of patents in this class: 115
10-year publication summary
22
|
17
|
18
|
19
|
8
|
2
|
5
|
6
|
3
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toyota Motor Corporation | 28582 |
14 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
13 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
9 |
NGK Insulators, Ltd. | 4589 |
7 |
Toyo Tanso Co., Ltd. | 227 |
7 |
Kwansei Gakuin Educational Foundation | 198 |
6 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
5 |
LG Chem, Ltd. | 17205 |
4 |
Kyocera Corporation | 12735 |
4 |
Dexerials Corporation | 1826 |
4 |
Nissin Electric Co., Ltd. | 213 |
3 |
Sumitomo Metal Industries, Ltd. | 453 |
3 |
Centre National de La Recherche Scientifique | 9632 |
2 |
Sumitomo Electric Industries, Ltd. | 14131 |
2 |
STMicroelectronics S.r.l. | 3693 |
2 |
National University Corporation Nagoya University | 921 |
2 |
Osaka University | 3143 |
2 |
The Penn State Research Foundation | 1423 |
2 |
General Opto Solutions, LLC | 4 |
2 |
Hitachi Chemical Company, Ltd. | 2455 |
1 |
Other owners | 21 |