Raman amplifier, Raman amplification method, and Raman amplification system
US-12586974-B2 · Mar 24, 2026 · US
of a semiconductor, e.g. light emitting diode
of a semiconductor, e.g. light emitting diode · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S3/0933 |
| Official title | of a semiconductor, e.g. light emitting diode |
| Display label | of a semiconductor, e.g. light emitting diode |
| Total patents | 60 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
T-shaped laser pumping device
US-12483000-B2 · Nov 25, 2025 · US
Nanocavity monolayer laser monolithically integrated with LED pump
US-12224555-B2 · Feb 11, 2025 · US
Laser medium unit, laser amplification device, and laser oscillation device
US-2025007231-A1 · Jan 2, 2025 · US
White light source
US-2024421554-A1 · Dec 19, 2024 · US
Light source, light source device, method of driving light source, raman amplifier, and raman amplification system
US-2024332884-A1 · Oct 3, 2024 · US
Measuring apparatus that measures height position or thickness of measurement-target object
US-11860097-B2 · Jan 2, 2024 · US
High-power, multi-channel amplifier fiber laser for medical applications
US-2023378708-A1 · Nov 23, 2023 · US
Fluorescent amplification device using surface plasmon resonance and optical amplification device using same
US-2023296815-A1 · Sep 21, 2023 · US
Nanocavity monolayer laser monolithically integrated with LED pump
US-11742632-B2 · Aug 29, 2023 · US
Light source for Raman amplification, light source system for Raman amplification, Raman amplifier, and Raman amplifying system
US-11652329-B2 · May 16, 2023 · US
Raman amplifier, raman amplification method, and raman amplification system
US-2023142798-A1 · May 11, 2023 · US
T-shaped laser pumping device
US-2023112416-A1 · Apr 13, 2023 · US
Method for preparing ER- or ER/O-doped silicon-based luminescent material emitting communication band at room temperature, the luminescent material and ER- or ER/O-SI lasers
US-11367998-B2 · Jun 21, 2022 · US
Measuring apparatus that measures height position or thickness of measurement-target object
US-2022163449-A1 · May 26, 2022 · US
Supply of a sensor of an interventional device
US-2021353231-A1 · Nov 18, 2021 · US
Light source for raman amplification, light source system for raman amplification, raman amplifier, and raman amplifying system
US-2021184419-A1 · Jun 17, 2021 · US
Light source for Raman amplification, light source system for Raman amplification, Raman amplifier, and Raman amplifying system
US-10938175-B2 · Mar 2, 2021 · US
Optical feedback-based repetitive frequency adjustable optical frequency comb
US-10901247-B2 · Jan 26, 2021 · US
CMOS externally modulated laser driver
US-10886692-B2 · Jan 5, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S3/0933?
- CPC H01S3/0933 is the Cooperative Patent Classification code for “of a semiconductor, e.g. light emitting diode.”
- How many patents are filed under CPC H01S3/0933 (of a semiconductor, e.g. light emitting diode)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC H01S3/0933 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).