Display device, display method, and color separation device
US-10514570-B2 · Dec 24, 2019 · US
Diffractive element operating in transmission
Diffractive element operating in transmission · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B6/29311 |
| Official title | {Diffractive element operating in transmission} |
| Display label | Diffractive element operating in transmission |
| Total patents | 140 |
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 | 11 |
| 2016 | 12 |
| 2017 | 14 |
| 2018 | 13 |
| 2019 | 13 |
| 2020 | 20 |
| 2021 | 19 |
| 2022 | 10 |
| 2023 | 13 |
| 2024 | 7 |
| 2025 | 4 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dispersion-compensative optical assembly
US-10459169-B2 · Oct 29, 2019 · US
Apparatus for optical switching with transmissional and reflective polarization modulators
US-10393968-B1 · Aug 27, 2019 · US
Optical power equilibrium method and apparatus
US-2019238223-A1 · Aug 1, 2019 · US
Signal monitoring method and apparatus for wavelength selective switch wss
US-2019199464-A1 · Jun 27, 2019 · US
Dispersion-compensative optical assembly
US-10241274-B2 · Mar 26, 2019 · US
Co-aligning laterally displaced radiation beams
US-2019086653-A1 · Mar 21, 2019 · US
Spectrally encoded probes
US-10234694-B2 · Mar 19, 2019 · US
Optical slab
US-2019064442-A1 · Feb 28, 2019 · US
Athermalized multi-path interference filter
US-2019018196-A1 · Jan 17, 2019 · US
Optical slab
US-10162116-B2 · Dec 25, 2018 · US
Stable, narrow spectral linewidth, fiber-delivered laser source for spin exchange optical pumping
US-10126558-B2 · Nov 13, 2018 · US
Transmission grating and laser device using the same, and method of producing transmission grating
US-2018306952-A1 · Oct 25, 2018 · US
Apparatus and methods for color endoscopy
US-10095020-B2 · Oct 9, 2018 · US
Reconfigurable optical add/drop multiplexer
US-2018267247-A1 · Sep 20, 2018 · US
Systems and methods using multi-wavelength single-pulse Raman spectroscopy
US-10078013-B2 · Sep 18, 2018 · US
Display device, display method, and color separation device
US-2018252964-A1 · Sep 6, 2018 · US
Wavelength selective switch
US-2018246277-A1 · Aug 30, 2018 · US
Wavelength dispersing device
US-10061083-B2 · Aug 28, 2018 · US
Integrated optical device
US-10025034-B1 · Jul 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B6/29311?
- CPC G02B6/29311 is the Cooperative Patent Classification code for “Diffractive element operating in transmission.”
- How many patents are filed under CPC G02B6/29311 (Diffractive element operating in transmission)?
- Our database includes 140 publications tagged with this CPC code.
- Is patent activity under CPC G02B6/29311 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).