Semiconductor device and method for manufacturing the same
US-2016358875-A1 · Dec 8, 2016 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C22C9/02 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 429 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 41 |
| 2016 | 61 |
| 2017 | 51 |
| 2018 | 50 |
| 2019 | 73 |
| 2020 | 27 |
| 2021 | 47 |
| 2022 | 26 |
| 2023 | 18 |
| 2024 | 23 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High strength and high conductivity copper alloy rod or wire
US-9512506-B2 · Dec 6, 2016 · US
Si-based-alloy anode material
US-9508990-B2 · Nov 29, 2016 · US
Copper alloy sheet material, connector, and method of producing a copper alloy sheet material
US-2016305001-A1 · Oct 20, 2016 · US
Bearing for internal combustion engines
US-2016265591-A1 · Sep 15, 2016 · US
Pb-free copper-alloy sliding material, and plain bearing
US-9434005-B2 · Sep 6, 2016 · US
Electric contact material for connector, and method for producing same
US-2016247592-A1 · Aug 25, 2016 · US
Electric Air Flow Control Device for Internal Combustion Engines
US-2016201578-A1 · Jul 14, 2016 · US
Copper alloy for electric and electronic devices, copper alloy sheet for electric and electronic devices, component for electric and electronic devices, terminal, and bus bar
US-2016186294-A1 · Jun 30, 2016 · US
Method of producing bonded body and method of producing power module substrate
US-2016181123-A1 · Jun 23, 2016 · US
Solder Paste
US-2016158896-A1 · Jun 9, 2016 · US
Solder Paste
US-2016158897-A1 · Jun 9, 2016 · US
Copper foil for producing graphene and method of producing graphene using the same
US-9359212-B2 · Jun 7, 2016 · US
Sintered bearing and method of manufacturing same
US-2016138651-A1 · May 19, 2016 · US
Copper alloy wire
US-2016122849-A1 · May 5, 2016 · US
Intermetallic nanoparticles
US-2016059306-A1 · Mar 3, 2016 · US
Composite articles comprising spinodal copper-nickel-tin-manganese-phosphorus alloy matrix material
US-2016053349-A1 · Feb 25, 2016 · US
Cast copper alloy for asynchronous machines
US-2016056698-A1 · Feb 25, 2016 · US
Composite and preparation method of joining amorphous alloy material to heterogeneous material
US-2016008879-A1 · Jan 14, 2016 · US
Copper alloy wire, copper alloy stranded wire, covered electric wire, and terminal-fitted electric wire
US-2015371726-A1 · Dec 24, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22C9/02?
- CPC C22C9/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C22C9/02 (Chemistry & Metallurgy)?
- Our database includes 429 publications tagged with this CPC code.
- Is patent activity under CPC C22C9/02 growing?
- Publication counts under this code: 23 in 2024 vs 10 in 2025 (latest complete years).