Gas laser device and control method therefor
US-9853410-B2 · Dec 26, 2017 · US
in gas lasers
in gas 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 | H01S3/134 |
| Official title | in gas lasers |
| Display label | in gas lasers |
| Total patents | 237 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 24 |
| 2017 | 22 |
| 2018 | 26 |
| 2019 | 20 |
| 2020 | 21 |
| 2021 | 24 |
| 2022 | 20 |
| 2023 | 20 |
| 2024 | 16 |
| 2025 | 23 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light beam measurement device, laser apparatus, and light beam separator
US-9835495-B2 · Dec 5, 2017 · US
Excimer laser apparatus and excimer laser system
US-9837780-B2 · Dec 5, 2017 · US
System and method for automatic gas optimization in a two-chamber gas discharge laser system
US-9831628-B2 · Nov 28, 2017 · US
High-voltage pulse generator and gas laser apparatus
US-2017338618-A1 · Nov 23, 2017 · US
Pulsed light beam spectral feature control
US-9785050-B2 · Oct 10, 2017 · US
System and method for automatic gas optimization in a two-chamber gas discharge laser system
US-2017279240-A1 · Sep 28, 2017 · US
Pulsed light beam spectral feature control
US-9772556-B2 · Sep 26, 2017 · US
Laser chamber
US-9742141-B2 · Aug 22, 2017 · US
Gas optimization in a gas discharge light source
US-2017237224-A1 · Aug 17, 2017 · US
Laser oscillation device having laser medium circulating tube
US-2017229833-A1 · Aug 10, 2017 · US
Narrow band laser apparatus
US-2017222391-A1 · Aug 3, 2017 · US
Laser chamber
US-9722385-B2 · Aug 1, 2017 · US
Gas laser apparatus for determining composition ratio of laser gas
US-9653876-B2 · May 16, 2017 · US
Compensation for a disturbance in an optical source
US-9634460-B2 · Apr 25, 2017 · US
Gas optimization in a gas discharge light source
US-9634455-B1 · Apr 25, 2017 · US
Laser apparatus
US-9601893-B2 · Mar 21, 2017 · US
Laser apparatus, euv light generation system, and method of controlling laser apparatus
US-2017070024-A1 · Mar 9, 2017 · US
Laser oscillator provided with blower
US-9590380-B2 · Mar 7, 2017 · US
Pulsed light beam spectral feature control
US-2016380402-A1 · Dec 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S3/134?
- CPC H01S3/134 is the Cooperative Patent Classification code for “in gas lasers.”
- How many patents are filed under CPC H01S3/134 (in gas lasers)?
- Our database includes 237 publications tagged with this CPC code.
- Is patent activity under CPC H01S3/134 growing?
- Publication counts under this code: 16 in 2024 vs 23 in 2025 (latest complete years).