- All sections
- C - Chemistrymetallurgy
- C30B - Single-crystal growthunidirectional solidification of eutectic material or unidirectional demixing of eutectoid materialrefining by zone-melting of materialproduction of a homogeneous polycrystalline material with defined structuresingle crystals or homogeneous polycrystalline material with defined structureafter-treatment of single crystals or a homogeneous polycrystalline material with defined structureapparatus therefor
- C30B 29/04 - Diamond
Patent holdings for IPC class C30B 29/04
Total number of patents in this class: 891
10-year publication summary
|
39
|
61
|
48
|
47
|
59
|
74
|
50
|
58
|
73
|
45
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15609 |
97 |
| Element Six Technologies Limited | 195 |
95 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
36 |
| Element Six Limited | 75 |
36 |
| Shin-Etsu Chemical Co., Ltd. | 5687 |
31 |
| Sumitomo Electric Hardmetal Corp. | 1034 |
30 |
| Diamond Innovations, Inc. | 235 |
11 |
| Advanced Diamond Holdings, LLC | 15 |
11 |
| Carnegie Institution of Washington | 65 |
9 |
| Board of Trustees of Michigan State University | 1192 |
8 |
| North Carolina State University | 1573 |
8 |
| Plasmability, LLC | 23 |
8 |
| Lockheed Martin Corporation | 3274 |
7 |
| AKHAN Semiconductor, Inc. | 50 |
7 |
| Element Six Limited | 13 |
7 |
| Nissin Electric Co., Ltd. | 251 |
7 |
| Shin-Etsu Handotai Co., Ltd. | 1283 |
7 |
| Element Six (UK) Limited | 218 |
7 |
| IIA Technologies Pte. Ltd. | 14 |
7 |
| Adamant Namiki Precision Jewel Co., Ltd. | 93 |
7 |
| Other owners | 455 |