Fiber laser pumping of bismuth-doped O-band amplifier
US-2026045756-A1 · Feb 12, 2026 · US
transition metal
transition metal · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S3/162 |
| Official title | {transition metal} |
| Display label | transition metal |
| Total patents | 28 |
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 | 1 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Self-isolated nanoscale laser
US-12548964-B2 · Feb 10, 2026 · US
Self-isolated nanoscale laser
US-2023299551-A1 · Sep 21, 2023 · US
Laser device
US-11381052-B2 · Jul 5, 2022 · US
Fiber laser device
US-11070021-B2 · Jul 20, 2021 · US
Laser device
US-2020244030-A1 · Jul 30, 2020 · US
System and method for pumping laser sustained plasma with a frequency converted illumination source
US-10568195-B2 · Feb 18, 2020 · US
System and Method for Pumping Laser Sustained Plasma with a Frequency Converted Illumination Source
US-2019373709-A1 · Dec 5, 2019 · US
Planar waveguide
US-10422951-B2 · Sep 24, 2019 · US
Cladding glass for solid-state lasers
US-10389079-B2 · Aug 20, 2019 · US
Fiber laser device
US-2019252847-A1 · Aug 15, 2019 · US
Planar waveguide
US-2019219764-A1 · Jul 18, 2019 · US
Method and apparatus for producing crystalline cladding and crystalline core optical fibers
US-10274673-B2 · Apr 30, 2019 · US
High power CW mid-IR laser
US-10211600-B2 · Feb 19, 2019 · US
Method and apparatus for producing crystalline cladding and crystalline core optical fibers
US-10054735-B2 · Aug 21, 2018 · US
Method and apparatus for producing crystalline cladding and crystalline core optical fibers
US-2018203183-A1 · Jul 19, 2018 · US
Method and system for mutliline mir-ir laser
US-2018175579-A1 · Jun 21, 2018 · US
Method and apparatus for producing crystalline cladding and crystalline core optical fibers
US-9995875-B2 · Jun 12, 2018 · US
Cladding glass for solid-state lasers
US-2018090904-A1 · Mar 29, 2018 · US
High power cw mid-ir laser
US-2018054042-A1 · Feb 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S3/162?
- CPC H01S3/162 is the Cooperative Patent Classification code for “transition metal.”
- How many patents are filed under CPC H01S3/162 (transition metal)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC H01S3/162 growing?
- Publication counts under this code: 1 in 2022 vs 1 in 2023 (latest complete years).