- 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 31/02 - Diffusion or doping processes for single crystals or homogeneous polycrystalline material with defined structure; Apparatus therefor by contacting with diffusion materials in the solid state
Patent holdings for IPC class C30B 31/02
Total number of patents in this class: 28
10-year publication summary
|
1
|
6
|
3
|
4
|
3
|
1
|
2
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5132 |
3 |
| Allergan, Inc. | 2600 |
2 |
| Wisconsin Alumni Research Foundation | 3774 |
2 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
2 |
| The United States of America as represented by the Secretary of the Air Force | 754 |
2 |
| Cubicpv Inc. | 118 |
2 |
| BASF SE | 19740 |
1 |
| Infineon Technologies AG | 8189 |
1 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
1 |
| Globalwafers Co., Ltd. | 561 |
1 |
| Guardian Industries Corp. | 392 |
1 |
| Hydro-Quebec | 637 |
1 |
| JX Nippon Mining & Metals Corporation | 1576 |
1 |
| Meeir Technologie Inc. | 3 |
1 |
| Ostendo Technologies, Inc. | 118 |
1 |
| SEMCO Engineering SA | 4 |
1 |
| BASF (China) Co., Ltd. | 755 |
1 |
| Guardian Glass, LLC | 558 |
1 |
| Federalnoe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Institut Himii Vysokochistyh Veshhestv Im. G.G. Devyatyh Rossijskoj Akademii Nauk (ihvv Ran) | 1 |
1 |
| Fond Podderzki Nauki I Obrazovaniya | 1 |
1 |
| Other owners | 1 |