- 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 29/04 - Diamond
Patent holdings for IPC class C30B 29/04
Total number of patents in this class: 766
10-year publication summary
|
43
|
42
|
62
|
51
|
48
|
62
|
77
|
49
|
58
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Element Six Technologies Limited | 179 |
84 |
| Sumitomo Electric Industries, Ltd. | 14131 |
77 |
| Element Six Limited | 86 |
38 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
31 |
| Sumitomo Electric Hardmetal Corp. | 969 |
30 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
22 |
| Carnegie Institution of Washington | 74 |
13 |
| Diamond Innovations, Inc. | 241 |
9 |
| Board of Trustees of Michigan State University | 1141 |
8 |
| North Carolina State University | 1492 |
8 |
| IIA Technologies Pte. Ltd. | 15 |
8 |
| Adamant Namiki Precision Jewel Co., Ltd. | 100 |
8 |
| Lockheed Martin Corporation | 3406 |
7 |
| Element Six Limited | 13 |
7 |
| Element Six (UK) Limited | 178 |
7 |
| Impossible Diamond, Inc. | 24 |
7 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1434 |
6 |
| Namiki Seimitsu Houseki Kabushiki Kaisha | 171 |
6 |
| Plasmability, LLC | 25 |
6 |
| M7d Corporation | 7 |
6 |
| Other owners | 378 |