- 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 15/08 - Downward pulling
Patent holdings for IPC class C30B 15/08
Total number of patents in this class: 34
10-year publication summary
3
|
1
|
3
|
0
|
1
|
1
|
1
|
6
|
3
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
International Business Machines Corporation | 60644 |
3 |
Tohoku University | 2526 |
3 |
TDK Corporation | 6306 |
2 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
2 |
Globalwafers Co., Ltd. | 561 |
2 |
Sumco Corporation | 1116 |
2 |
Tanaka Kikinzoku Kogyo K.K. | 589 |
2 |
Tokuyama Corporation | 1248 |
2 |
Novel Crystal Technology, Inc. | 56 |
2 |
Nanjing Tongli Crystal Material Institute Co.Ltd | 3 |
2 |
Corning Incorporated | 9932 |
1 |
Empire Technology Development LLC | 1636 |
1 |
National Institute of Advanced Industrial Science and Technology | 3677 |
1 |
Forschungsverbund Berlin e.V. | 194 |
1 |
Safran Aircraft Engines | 5739 |
1 |
Shin-Etsu Handotai Co., Ltd. | 1277 |
1 |
Streicher Maschinenbau GmbH & Co. KG | 1 |
1 |
Tohoku Techno Arch Co., Ltd. | 135 |
1 |
Furukawa Co., Ltd. | 86 |
1 |
SK Siltron Co., Ltd. | 146 |
1 |
Other owners | 2 |