Systems and methods for photonic interconnection
US-2026086313-A1 · Mar 26, 2026 · US
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Diffractive elements having focusing properties, e.g. curved gratings (Rowland circle spectrometers G01J3/20)
Diffractive elements having focusing properties, e.g. curved gratings (Rowland circle spectrometers G01J3/20) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B6/29326 |
| Official title | {Diffractive elements having focusing properties, e.g. curved gratings (Rowland circle spectrometers G01J3/20)} |
| Display label | Diffractive elements having focusing properties, e.g. curved gratings (Rowland circle spectrometers G01J3/20) |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tunable echelle grating
US-11561346-B2 · Jan 24, 2023 · US
Temperature insensitive filter
US-11360262-B2 · Jun 14, 2022 · US
Tunable Echelle Grating
US-2022091338-A1 · Mar 24, 2022 · US
Wafer level coatings for photonic die
US-11217963-B1 · Jan 4, 2022 · US
Temperature insensitive filter
US-2021063638-A1 · Mar 4, 2021 · US
Echelle grating demux/mux in SiN
US-10663659-B2 · May 26, 2020 · US
Echelle grating demux/mux in sin
US-2019346623-A1 · Nov 14, 2019 · US
Echelle grating demux/mux in SiN
US-10317621-B2 · Jun 11, 2019 · US
Echelle grating demux/mux in sin
US-2018217330-A1 · Aug 2, 2018 · US
Single- layer full-mesh, point-to-point network
US-9316784-B2 · Apr 19, 2016 · US
Integrated photonics waveguide grating coupler
US-9128241-B2 · Sep 8, 2015 · US
Waveguide lens with modulating electrode and ground electrodes
US-9110349-B2 · Aug 18, 2015 · US
Optical device with echelle grating and wavefront tailoring
US-9052447-B2 · Jun 9, 2015 · US