Transparent conducting film or coating on a lens that serves as an interlock on a semiconductor laser module
US-10511139-B2 · Dec 17, 2019 · US
Spectral arrangements using lasers, e.g. tunable
Spectral arrangements using lasers, e.g. tunable · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01J2003/423 |
| Official title | {Spectral arrangements using lasers, e.g. tunable} |
| Display label | Spectral arrangements using lasers, e.g. tunable |
| Total patents | 198 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 7 |
| 2017 | 15 |
| 2018 | 15 |
| 2019 | 20 |
| 2020 | 35 |
| 2021 | 33 |
| 2022 | 25 |
| 2023 | 14 |
| 2024 | 15 |
| 2025 | 8 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dual sensor and method for detection of an analyte gas
US-2019368935-A1 · Dec 5, 2019 · US
Measurement of hydrocarbon fuel gas composition and properties from tunable diode laser absorption spectrometry
US-10495570-B2 · Dec 3, 2019 · US
Fourier domain dynamic correction method for complex optical fringes in laser spectrometers
US-2019353525-A1 · Nov 21, 2019 · US
Standoff Trace Chemical Detection With Active Infrared Spectroscopy
US-2019353524-A1 · Nov 21, 2019 · US
On-chip spectroscopic sensors with optical fringe suppression
US-2019331593-A1 · Oct 31, 2019 · US
Gas analyzer
US-2019317018-A1 · Oct 17, 2019 · US
Infra red spectrometer
US-2019317013-A1 · Oct 17, 2019 · US
Gas analyzer
US-2019316965-A1 · Oct 17, 2019 · US
Transparent conducting film or coating on a lens that serves as an interlock on a semiconductor laser module
US-2019237935-A1 · Aug 1, 2019 · US
Gas analyzing apparatus
US-2019195784-A1 · Jun 27, 2019 · US
Laser sensor for trace gas detection
US-10241037-B2 · Mar 26, 2019 · US
Terahertz spectral imaging system and security surveillance system employing the same
US-10234383-B2 · Mar 19, 2019 · US
Gas measurement system
US-10228324-B2 · Mar 12, 2019 · US
Spectroscopy system with laser and pulsed output beam
US-2019056266-A1 · Feb 21, 2019 · US
External resonance type laser module, analysis apparatus, method of driving external resonance type laser module, and non-transitory computer readable medium
US-2019052058-A1 · Feb 14, 2019 · US
Electro-optic terahertz detector
US-10203248-B2 · Feb 12, 2019 · US
Terahertz spectral imaging system and security surveillance system employing the same
US-2018364158-A1 · Dec 20, 2018 · US
Performance testing device for multi-channel tunable laser
US-10145731-B2 · Dec 4, 2018 · US
On-chip spectroscopic sensors with optical fringe suppression
US-2018328840-A1 · Nov 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01J2003/423?
- CPC G01J2003/423 is the Cooperative Patent Classification code for “Spectral arrangements using lasers, e.g. tunable.”
- How many patents are filed under CPC G01J2003/423 (Spectral arrangements using lasers, e.g. tunable)?
- Our database includes 198 publications tagged with this CPC code.
- Is patent activity under CPC G01J2003/423 growing?
- Publication counts under this code: 15 in 2024 vs 8 in 2025 (latest complete years).