Confocal measurement device
US-10520296-B2 · Dec 31, 2019 · US
with wavelength selective means
with wavelength selective means · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B6/293 |
| Official title | with wavelength selective means |
| Display label | with wavelength selective means |
| Total patents | 171 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 12 |
| 2019 | 24 |
| 2020 | 25 |
| 2021 | 11 |
| 2022 | 15 |
| 2023 | 21 |
| 2024 | 17 |
| 2025 | 13 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light guide device and display device for representing scenes
US-2019369403-A1 · Dec 5, 2019 · US
Optical circuit element
US-2019302362-A1 · Oct 3, 2019 · US
Polarization Independent Optical Device
US-2019296850-A1 · Sep 26, 2019 · US
Photonic interconnection switches and network integrated in an optoelectronic chip
US-10393965-B2 · Aug 27, 2019 · US
Avionics unit
US-10382846-B2 · Aug 13, 2019 · US
Free-space optical communications beacon source architecture
US-10359570-B1 · Jul 23, 2019 · US
High index-contrast photonic devices and applications thereof
US-10324031-B2 · Jun 18, 2019 · US
Confocal measurement device
US-2019101375-A1 · Apr 4, 2019 · US
Photonic interconnection switches and network integrated in an optoelectronic chip
US-2019101699-A1 · Apr 4, 2019 · US
Optical modulator having Mach-Zehnder diodes of reduced length
US-10247967-B2 · Apr 2, 2019 · US
Optical microresonator device with thermal isolation
US-10247676-B1 · Apr 2, 2019 · US
Noise reduction collimator and imaging catheter system
US-2019072713-A1 · Mar 7, 2019 · US
Optical notch filters
US-2019064443-A1 · Feb 28, 2019 · US
Arrayed waveguide grating
US-10209444-B2 · Feb 19, 2019 · US
Transmittance-variable film
US-2019049641-A1 · Feb 14, 2019 · US
Multi-band signal processing system, joint box for multi-band signal processing system, and method for accommodating multi-band signal processing system
US-2019036607-A1 · Jan 31, 2019 · US
Lens driving device, and camera module and optical device comprising same
US-2019025540-A1 · Jan 24, 2019 · US
Wavelength selective switch, reconfigurable optical add/drop multiplexer, and wavelength selection method
US-10133005-B2 · Nov 20, 2018 · US
Photonic integrated circuit
US-10120132-B2 · Nov 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B6/293?
- CPC G02B6/293 is the Cooperative Patent Classification code for “with wavelength selective means.”
- How many patents are filed under CPC G02B6/293 (with wavelength selective means)?
- Our database includes 171 publications tagged with this CPC code.
- Is patent activity under CPC G02B6/293 growing?
- Publication counts under this code: 17 in 2024 vs 13 in 2025 (latest complete years).