Method of forming a decorative surface on a micromechanical timepiece part and said micromechanical timepiece part
US-10162310-B2 · Dec 25, 2018 · US
of semiconducting materials
of semiconducting materials · 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 | C25F3/12 |
| Official title | of semiconducting materials |
| Display label | of semiconducting materials |
| Total patents | 148 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 22 |
| 2017 | 12 |
| 2018 | 7 |
| 2019 | 14 |
| 2020 | 21 |
| 2021 | 8 |
| 2022 | 12 |
| 2023 | 10 |
| 2024 | 7 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Spectrally and temporally engineered processing using photoelectrochemistry
US-10115599-B2 · Oct 30, 2018 · US
Semiconductor structure and method of forming the same
US-2018277354-A1 · Sep 27, 2018 · US
Porous silicon particulates with micropores and mesopores within macropores
US-9947918-B2 · Apr 17, 2018 · US
Materials and methods for delivering compositions to selected tissues
US-9937129-B2 · Apr 10, 2018 · US
Nanopore forming method and uses thereof
US-2018073161-A1 · Mar 15, 2018 · US
Printing of three-dimensional metal structures with a sacrificial support
US-2017365484-A1 · Dec 21, 2017 · US
Article and process for selective etching
US-9828677-B2 · Nov 28, 2017 · US
Article and process for selective deposition
US-9809882-B2 · Nov 7, 2017 · US
Method and apparatus for forming porous silicon layers
US-2017243774-A1 · Aug 24, 2017 · US
High-throughput batch porous silicon manufacturing equipment design and processing methods
US-2017243767-A1 · Aug 24, 2017 · US
Method for manufacturing an electrode for lithium ion batteries
US-9716276-B2 · Jul 25, 2017 · US
Apparatus for electrochemical etching and apparatus for electroplating
US-2017121842-A1 · May 4, 2017 · US
Article and process for selective etching
US-2017098548-A9 · Apr 6, 2017 · US
Method of forming a decorative surface on a micromechanical timepiece part and said micromechanical timepiece part
US-2017068221-A1 · Mar 9, 2017 · US
Method for manufacturing a micromechanical timepiece part and said micromechanical timepiece part
US-2017068215-A1 · Mar 9, 2017 · US
Article with gradient property and processes for selective etching
US-9580809-B2 · Feb 28, 2017 · US
Rinsing and drying for electrochemical processing
US-9574283-B2 · Feb 21, 2017 · US
Anode battery materials and methods of making the same
US-2016344016-A1 · Nov 24, 2016 · US
Materials and methods for delivering compositions to selected tissues
US-2016338960-A1 · Nov 24, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25F3/12?
- CPC C25F3/12 is the Cooperative Patent Classification code for “of semiconducting materials.”
- How many patents are filed under CPC C25F3/12 (of semiconducting materials)?
- Our database includes 148 publications tagged with this CPC code.
- Is patent activity under CPC C25F3/12 growing?
- Publication counts under this code: 7 in 2024 vs 12 in 2025 (latest complete years).