Chemical vapor deposition growth of hexagonal boron nitride films and nanostructures
US-12571128-B2 · Mar 10, 2026 · US
Nanotubes
Nanotubes · 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 | C30B29/602 |
| Official title | {Nanotubes} |
| Display label | Nanotubes |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing large EMI shielded GaAs infrared windows
US-12302542-B2 · May 13, 2025 · US
Chemical vapor deposition growth of hexagonal boron nitride films and nanostructures
US-2025092571-A1 · Mar 20, 2025 · US
METHOD OF PRODUCING LARGE EMI SHIELDED GaAs INFRARED WINDOWS
US-2024188261-A1 · Jun 6, 2024 · US
Nanomaterials, nanocomposite materials, and methods thereof
US-11814291-B2 · Nov 14, 2023 · US
Silicon and silica nanostructures and method of making silicon and silica nanostructures
US-11807571-B2 · Nov 7, 2023 · US
Silicon and silica nanostructures and method of making silicon and silica nanostructures
US-2022098094-A1 · Mar 31, 2022 · US
Nanomaterials, nanocomposite materials, and methods thereof
US-2022073353-A1 · Mar 10, 2022 · US
Silicon and silica nanostructures and method of making silicon and silica nanostructures
US-11225434-B2 · Jan 18, 2022 · US
Molecular bottom-up methods for fabricating perovskite solar cells, perovskite materials fabricated thereof, and optoelectronic devices including same
US-11228009-B2 · Jan 18, 2022 · US
Nucleation structure suitable for epitaxial growth of three-dimensional semiconductor elements
US-10801129-B2 · Oct 13, 2020 · US
Silicon and silica nanostructures and method of making silicon and silica nanostructures
US-2020290921-A1 · Sep 17, 2020 · US
Epitaxial growing device and method for making epitaxial structure using the same
US-10711370-B2 · Jul 14, 2020 · US
Angle-independent colloidal particles-based structure and method for producing the same
US-10562781-B2 · Feb 18, 2020 · US
Boron nitride material and method of preparation thereof
US-10457553-B2 · Oct 29, 2019 · US
Nucleation structure suitable for epitaxial growth of three-dimensional semiconductor elements
US-2019153619-A1 · May 23, 2019 · US
Direct band gap group IV semiconductors and methods of preparing the same
US-10263136-B1 · Apr 16, 2019 · US
Incorporating metals, metal oxides and compounds on the inner and outer surfaces of nanotubes and between the walls of the nanotubes and preparation thereof
US-10238762-B2 · Mar 26, 2019 · US
Nanomaterial-based substrates for chemical sensors using surface enhanced raman spectroscopy
US-10209193-B2 · Feb 19, 2019 · US
Composite material and method of manufacturing composite material
US-10208302-B2 · Feb 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C30B29/602?
- CPC C30B29/602 is the Cooperative Patent Classification code for “Nanotubes.”
- How many patents are filed under CPC C30B29/602 (Nanotubes)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC C30B29/602 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).