Method of manufacturing semiconductor material from mayenite
US-2020062606-A1 · Feb 27, 2020 · US
Single-crystal growth by zone-melting; Refining by zone-melting (C30B17/00 takes precedence; by changing the cross-section of the treated solid C30B15/00; under a protective fluid C30B27/00; for the growth of homogeneous polycrystalline material with defined structure C30B28/00) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C30B13/00 |
| Official title | Single-crystal growth by zone-melting; Refining by zone-melting (C30B17/00 takes precedence; by changing the cross-section of the treated solid C30B15/00; under a protective fluid C30B27/00; for the growth of homogeneous polycrystalline material with defined structure C30B28/00) |
| Display label | Single-crystal growth by zone-melting; Refining by zone-melting (C30B17/00 takes precedence; by changing the cross-section of the treated solid C30B15/00; under a protective fluid C30B27/00; for the growth of homogeneous polycrystalline material with defined structure C30B28/00) |
| Total patents | 94 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 13 |
| 2017 | 12 |
| 2018 | 13 |
| 2019 | 13 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 10 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2020062606-A1 · Feb 27, 2020 · US
US-10516068-B1 · Dec 24, 2019 · US
US-2019367374-A1 · Dec 5, 2019 · US
US-10487417-B2 · Nov 26, 2019 · US
US-2019352798-A1 · Nov 21, 2019 · US
US-2019341651-A1 · Nov 7, 2019 · US
US-2019255613-A1 · Aug 22, 2019 · US
US-10343922-B2 · Jul 9, 2019 · US
US-10319985-B2 · Jun 11, 2019 · US
US-2019119829-A1 · Apr 25, 2019 · US
US-10265764-B2 · Apr 23, 2019 · US
US-10190235-B2 · Jan 29, 2019 · US
US-2019017193-A1 · Jan 17, 2019 · US
US-2019006190-A1 · Jan 3, 2019 · US
US-10100439-B2 · Oct 16, 2018 · US
US-10094042-B2 · Oct 9, 2018 · US
US-10066320-B2 · Sep 4, 2018 · US
US-10054735-B2 · Aug 21, 2018 · US
US-2018223450-A1 · Aug 9, 2018 · US
US-2018194633-A1 · Jul 12, 2018 · US
Answers are generated from the same data shown on this page.