High-strength cold-rolled steel sheet having excellent surface quality and low material variation, and method for manufacturing same
US-2024384366-A1 · Nov 21, 2024 · US
with more than 1.5% by weight of manganese
with more than 1.5% by weight of manganese · 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 | C22C38/38 |
| Official title | with more than 1.5% by weight of manganese |
| Display label | with more than 1.5% by weight of manganese |
| Total patents | 2,993 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 144 |
| 2016 | 165 |
| 2017 | 212 |
| 2018 | 220 |
| 2019 | 266 |
| 2020 | 254 |
| 2021 | 252 |
| 2022 | 319 |
| 2023 | 309 |
| 2024 | 363 |
| 2025 | 392 |
| 2026 | 97 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Low-density clad steel sheet having excellent formability and fatigue property and manufacturing method therefor
US-2024326399-A1 · Oct 3, 2024 · US
Method for manufacturing cold-rolled or zinc-plated dual-phase steel plate over 980 MPa
US-12084751-B2 · Sep 10, 2024 · US
Non-oriented electrical steel sheet and production method thereof
US-2024271255-A1 · Aug 15, 2024 · US
A zinc or zinc-alloy coated strip or steel with improved zinc adhesion
US-2024117455-A1 · Apr 11, 2024 · US
High-strength steel sheet having excellent bendability and formability and method for manufacturing same
US-2024026485-A1 · Jan 25, 2024 · US
Steel for rails and a method of manufacturing of a rail thereof
US-2024002966-A1 · Jan 4, 2024 · US
Ferritic stainless steel sheet which is excellent in workability and method of production of same
US-2015376732-A1 · Dec 31, 2015 · US
Hot-rolled steel sheet and manufacturing method thereof
US-2015376730-A1 · Dec 31, 2015 · US
Non-thermal refined soft-nitrided component
US-2015376763-A1 · Dec 31, 2015 · US
Hot stamping product with enhanced toughness and method for manufacturing the same
US-2015361532-A1 · Dec 17, 2015 · US
Steel sheet for soft-nitriding and method for manufacturing the same
US-2015354034-A1 · Dec 10, 2015 · US
Steel sheet for hot press-forming, hot press-formed part, and method of producing hot press-formed part
US-2015337415-A1 · Nov 26, 2015 · US
Lean austenitic stainless steel containing stabilizing elements
US-2015337422-A1 · Nov 26, 2015 · US
Method and apparatus for heating a pre-coated plate of steel
US-9194034-B2 · Nov 24, 2015 · US
High-strength steel sheet with excellent deep drawability at room temperature and warm temperature, and method for warm working same
US-9194032-B2 · Nov 24, 2015 · US
Galvannealed steel sheet and method of manufacturing the same
US-2015329946-A1 · Nov 19, 2015 · US
High-strength hot-rolled steel sheet having excellent baking hardenability and low temperature toughness with maximum tensile strength of 980 mpa or more
US-2015329950-A1 · Nov 19, 2015 · US
Steel part for machine structural use and manufacturing method thereof
US-9187797-B2 · Nov 17, 2015 · US
High strength cold rolled steel sheet with low yield ratio and method of manufacturing the same
US-2015322552-A1 · Nov 12, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22C38/38?
- CPC C22C38/38 is the Cooperative Patent Classification code for “with more than 1.5% by weight of manganese.”
- How many patents are filed under CPC C22C38/38 (with more than 1.5% by weight of manganese)?
- Our database includes 2,993 publications tagged with this CPC code.
- Is patent activity under CPC C22C38/38 growing?
- Publication counts under this code: 363 in 2024 vs 392 in 2025 (latest complete years).