- 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 19/12 - Liquid-phase epitaxial-layer growth characterised by the substrate
Patent holdings for IPC class C30B 19/12
Total number of patents in this class: 167
10-year publication summary
28
|
28
|
31
|
23
|
11
|
6
|
6
|
5
|
5
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NGK Insulators, Ltd. | 4589 |
31 |
Toyota Motor Corporation | 28582 |
8 |
Sumitomo Electric Industries, Ltd. | 14131 |
8 |
Kwansei Gakuin Educational Foundation | 198 |
7 |
Toyo Tanso Co., Ltd. | 227 |
6 |
National University Corporation Nagoya University | 921 |
5 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
5 |
The Regents of the University of California | 18943 |
4 |
TDK Corporation | 6306 |
4 |
Central Glass Company, Limited | 1244 |
4 |
Sumitomo Metal Mining Co., Ltd. | 1670 |
4 |
Samsung Electronics Co., Ltd. | 131630 |
3 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
3 |
Corning Incorporated | 9932 |
3 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
3 |
Osaka University | 3143 |
3 |
The Penn State Research Foundation | 1423 |
3 |
Quest Integrated, LLC | 38 |
3 |
Resonac Corporation | 2233 |
3 |
Panasonic Corporation | 20786 |
2 |
Other owners | 55 |