Gas laser device and electronic device manufacturing method
US-2025357715-A1 · Nov 20, 2025 · US
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Folded-path lasers
Folded-path lasers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S3/076 |
| Official title | {Folded-path lasers} |
| Display label | Folded-path lasers |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laser apparatus and laser machining apparatus
US-11958128-B2 · Apr 16, 2024 · US
Radio-frequency excited gas laser
US-11848530-B2 · Dec 19, 2023 · US
Laser apparatus and laser machining apparatus
US-2023271273-A1 · Aug 31, 2023 · US
Gas laser device
US-11367988-B2 · Jun 21, 2022 · US
Gas laser device
US-2022094129-A1 · Mar 24, 2022 · US
Radio-frequency excited gas laser
US-2021242650-A1 · Aug 5, 2021 · US
Folded waveguide structure semiconductor laser
US-10348055-B2 · Jul 9, 2019 · US
Folded waveguide structure semiconductor laser
US-2018191133-A1 · Jul 5, 2018 · US
Laser oscillator having folding mirror
US-9787049-B2 · Oct 10, 2017 · US
Slab amplifier, and laser apparatus and extreme ultraviolet light generation apparatus including slab amplifier
US-9680277-B2 · Jun 13, 2017 · US
Laser oscillator having folding mirror
US-2017033526-A1 · Feb 2, 2017 · US
Gas laser device
US-9515446-B2 · Dec 6, 2016 · US
Laser oscillator provided with laser medium flow path
US-9350134-B2 · May 24, 2016 · US
Gas laser device
US-2016134075-A1 · May 12, 2016 · US
Laser oscillator provided with laser medium flow path
US-2016056602-A1 · Feb 25, 2016 · US
Unstable imaging resonator
US-9166356-B2 · Oct 20, 2015 · US
Slab amplifier, and laser apparatus and extreme ultraviolet light generation apparatus including slab amplifier
US-2015188277-A1 · Jul 2, 2015 · US
CO2 laser device and CO2 laser processing device
US-9059567-B2 · Jun 16, 2015 · US
Unstable imaging resonator
US-2015109662-A1 · Apr 23, 2015 · US