Tunable laser and laser transmitter
US-2020280172-A1 · Sep 3, 2020 · US
Branched waveguides
Branched waveguides · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S5/1007 |
| Official title | {Branched waveguides} |
| Display label | Branched waveguides |
| Total patents | 151 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 12 |
| 2017 | 12 |
| 2018 | 13 |
| 2019 | 12 |
| 2020 | 15 |
| 2021 | 23 |
| 2022 | 12 |
| 2023 | 12 |
| 2024 | 16 |
| 2025 | 13 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wavelength-tunable laser device
US-2019363505-A1 · Nov 28, 2019 · US
Optical waveguide structure
US-2019363516-A1 · Nov 28, 2019 · US
Tunable laser
US-2019341740-A1 · Nov 7, 2019 · US
Continuous phase tuning system with loop mirror
US-2019293870-A1 · Sep 26, 2019 · US
Folded waveguide structure semiconductor laser
US-10348055-B2 · Jul 9, 2019 · US
Tunable laser device
US-10312663-B2 · Jun 4, 2019 · US
Methods and apparatus for mode-locking on-chip lasers
US-10305253-B2 · May 28, 2019 · US
Wavelength-tunable III-V/Si hybrid optical transmitter
US-10281746-B2 · May 7, 2019 · US
Angled DBR-grating laser/amplifier with one or more mode-hopping regions
US-10270224-B2 · Apr 23, 2019 · US
Laser apparatus having a composite laser cavity
US-10236662-B2 · Mar 19, 2019 · US
Mode-locked semiconductor laser capable of changing output-comb frequency spacing
US-2019058304-A1 · Feb 21, 2019 · US
WAVELENGTH-TUNABLE III-V/Si HYBRID OPTICAL TRANSMITTER
US-2019004340-A1 · Jan 3, 2019 · US
Wavelength-tunable III-V/Si hybrid optical transmitter
US-10162199-B2 · Dec 25, 2018 · US
Laser apparatus having a composite laser cavity
US-2018351327-A1 · Dec 6, 2018 · US
Far field spatial modulation
US-2018307063-A1 · Oct 25, 2018 · US
Multicore fiber amplifier with high power efficiency
US-2018301864-A1 · Oct 18, 2018 · US
Methods and apparatus for mode-locking on-chip lasers
US-2018269653-A1 · Sep 20, 2018 · US
Tunable laser device
US-2018226767-A1 · Aug 9, 2018 · US
Optical signal modulation apparatus and system
US-10027417-B2 · Jul 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S5/1007?
- CPC H01S5/1007 is the Cooperative Patent Classification code for “Branched waveguides.”
- How many patents are filed under CPC H01S5/1007 (Branched waveguides)?
- Our database includes 151 publications tagged with this CPC code.
- Is patent activity under CPC H01S5/1007 growing?
- Publication counts under this code: 16 in 2024 vs 13 in 2025 (latest complete years).