External resonator type light emitting device
US-2016372891-A1 · Dec 22, 2016 · US
External cavity lasers (H01S5/18 takes precedence; mode locking H01S5/065)
External cavity lasers (H01S5/18 takes precedence; mode locking H01S5/065) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S5/14 |
| Official title | External cavity lasers (H01S5/18 takes precedence; mode locking H01S5/065) |
| Display label | External cavity lasers (H01S5/18 takes precedence; mode locking H01S5/065) |
| Total patents | 341 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 47 |
| 2016 | 39 |
| 2017 | 42 |
| 2018 | 38 |
| 2019 | 40 |
| 2020 | 24 |
| 2021 | 23 |
| 2022 | 17 |
| 2023 | 14 |
| 2024 | 26 |
| 2025 | 25 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wavelength tunable light source
US-9513106-B2 · Dec 6, 2016 · US
Beam combining device and output recovery method for beam combining device
US-2016344162-A1 · Nov 24, 2016 · US
Stabilization of an injection locked harmonically mode-locked laser via polarization spectroscopy for frequency comb generation
US-9502856-B2 · Nov 22, 2016 · US
External cavity laser based wavelength division multiplexing superchannel transceivers
US-9503194-B2 · Nov 22, 2016 · US
External cavity laser based wavelength division multiplexing superchannel transceivers
US-9496961-B2 · Nov 15, 2016 · US
Method and apparatus for performing optical imaging using frequency-domain interferometry
US-2016320170-A1 · Nov 3, 2016 · US
Magnetic Field Measuring Apparatus
US-2016313417-A1 · Oct 27, 2016 · US
Noise Reduction for Pulsed Lasers Using Clustering
US-2016299007-A1 · Oct 13, 2016 · US
Integration of an unprocessed, direct-bandgap chip into a silicon photonic device
US-2016274319-A1 · Sep 22, 2016 · US
Tunable soi laser
US-2016164246-A1 · Jun 9, 2016 · US
Semiconductor-laser-device assembly
US-2016111857-A1 · Apr 21, 2016 · US
Method and apparatus for implementing tunable light source
US-2016049769-A1 · Feb 18, 2016 · US
Planar waveguide laser device
US-2015349482-A1 · Dec 3, 2015 · US
Method for improving performance of wavelength beam combining diode laser systems
US-9190807-B2 · Nov 17, 2015 · US
Semiconductor-laser-device assembly
US-9184560-B2 · Nov 10, 2015 · US
Grating coupler for inter-chip optical coupling
US-9176291-B2 · Nov 3, 2015 · US
Semiconductor laser apparatus
US-2015303656-A1 · Oct 22, 2015 · US
Frequency tunable laser system
US-9164027-B2 · Oct 20, 2015 · US
Laser device, light modulation device, and optical semiconductor device
US-2015288148-A1 · Oct 8, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S5/14?
- CPC H01S5/14 is the Cooperative Patent Classification code for “External cavity lasers (H01S5/18 takes precedence; mode locking H01S5/065).”
- How many patents are filed under CPC H01S5/14 (External cavity lasers (H01S5/18 takes precedence; mode locking H01S5/065))?
- Our database includes 341 publications tagged with this CPC code.
- Is patent activity under CPC H01S5/14 growing?
- Publication counts under this code: 26 in 2024 vs 25 in 2025 (latest complete years).