Free-standing substrate comprising polycrystalline group 13 element nitride and light-emitting element using same
US-2018350918-A1 · Dec 6, 2018 · US
Salt solvents, e.g. flux growth
Salt solvents, e.g. flux growth · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C30B9/12 |
| Official title | Salt solvents, e.g. flux growth |
| Display label | Salt solvents, e.g. flux growth |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 16 |
| 2017 | 17 |
| 2018 | 19 |
| 2019 | 9 |
| 2020 | 7 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polycrystalline gallium nitride self-supported substrate and light emitting element using same
US-2018351038-A1 · Dec 6, 2018 · US
Free-standing substrate comprising polycrystalline group 13 element nitride and light-emitting element using same
US-2018351041-A1 · Dec 6, 2018 · US
Crystal growth apparatus and crystal production method
US-10145022-B2 · Dec 4, 2018 · US
System and method for producing group 13 nitride crystals comprised of growth vessels stacked within inner vessels placed over support tables with a central rotating shaft and revolving shafts attached to the support tables
US-10138570-B2 · Nov 27, 2018 · US
Method for producing gallium nitride crystal
US-10100426-B2 · Oct 16, 2018 · US
Method for producing nitride crystal
US-10041186-B2 · Aug 7, 2018 · US
Composite substrate, method for fabricating same, function element, and seed crystal substrate
US-10030318-B2 · Jul 24, 2018 · US
Metal Oxide Mesocrystal, and Method for Producing Same
US-2018147566-A1 · May 31, 2018 · US
Mixed anion cesium rare earth silicates
US-2018134957-A1 · May 17, 2018 · US
Method for preparing single-crystal cubic sesquioxides and uses
US-9945049-B2 · Apr 17, 2018 · US
Method for Producing Group III Nitride Semiconductor, Seed Substrate and Group III Nitride Semiconductor Crystal
US-2018097142-A1 · Apr 5, 2018 · US
Method for producing group III nitride semiconductor single crystal
US-9932688-B2 · Apr 3, 2018 · US
Production method of SiC single crystal
US-9920449-B2 · Mar 20, 2018 · US
Article comprising a semiconducting material
US-2018023213-A1 · Jan 25, 2018 · US
Metal oxide mesocrystal, and method for producing same
US-9873108-B2 · Jan 23, 2018 · US
Gallium nitride crystal, group 13 nitride crystal, group 13 nitride crystal substrate, and manufacturing method
US-9863058-B2 · Jan 9, 2018 · US
Crystal growth apparatus and manufacturing method of group III nitride crystal
US-9856575-B2 · Jan 2, 2018 · US
Method of producing apatite crystal, and apatite crystal
US-2017362737-A1 · Dec 21, 2017 · US
Crystal growth apparatus and crystal production method
US-2017362735-A1 · Dec 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C30B9/12?
- CPC C30B9/12 is the Cooperative Patent Classification code for “Salt solvents, e.g. flux growth.”
- How many patents are filed under CPC C30B9/12 (Salt solvents, e.g. flux growth)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC C30B9/12 growing?
- Publication counts under this code: 1 in 2024 vs 5 in 2025 (latest complete years).