Coupling multiple optical channels using a z-block
US-11747566-B2 · Sep 5, 2023 · US
Optical medium access
Optical medium access · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04J14/0254 |
| Official title | {Optical medium access} |
| Display label | Optical medium access |
| Total patents | 67 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 17 |
| 2017 | 8 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Resistivity engineered substrate for rf common-mode suppression
US-2023155683-A1 · May 18, 2023 · US
Memory access method and server for performing the same
US-2023144656-A1 · May 11, 2023 · US
Wavelength regeneration in a network
US-11637757-B2 · Apr 25, 2023 · US
Resistivity engineered substrate for RF common-mode suppression
US-11552710-B2 · Jan 10, 2023 · US
Coupling multiple optical channels using a z-block
US-2022252789-A1 · Aug 11, 2022 · US
Coupling multiple optical channels using a Z-block
US-11347003-B2 · May 31, 2022 · US
Coupling multiple optical channels using a z-block
US-2022120974-A1 · Apr 21, 2022 · US
DWDM remote pumping system capable of improving OSNR
US-11265098-B2 · Mar 1, 2022 · US
Resistivity engineered substrate for rf common-mode suppression
US-2022052763-A1 · Feb 17, 2022 · US
Dwdm remote pumping system capable of improving osnr
US-2021288744-A1 · Sep 16, 2021 · US
Receiver Optical Subassembly, Combo Transceiver Subassembly, Combo Optical Module, Communications Apparatus, and PON System
US-2021149129-A1 · May 20, 2021 · US
Distribution point unit to exchange communication data between a service provider and subscribers
US-10819456-B2 · Oct 27, 2020 · US
Method and system for allocating wavelength channels in passive optical network, and optical line terminal
US-10784982-B2 · Sep 22, 2020 · US
Distributed antenna system for MIMO signals
US-10700754-B2 · Jun 30, 2020 · US
Dual band wavelength division multiplexing (WDM) link for vertical cavity surface emitting lasers (VCSELs)
US-10522977-B1 · Dec 31, 2019 · US
Wavelength regeneration in a network
US-2019319857-A1 · Oct 17, 2019 · US
Wavelength regeneration in a network
US-10333796-B2 · Jun 25, 2019 · US
Method and System for Allocating Wavelength Channels in Passive Optical Network, and Optical Line Terminal
US-2018367235-A1 · Dec 20, 2018 · US
Transport functions virtualization for wavelength division multiplexing (WDM)-based optical networks
US-10020907-B2 · Jul 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04J14/0254?
- CPC H04J14/0254 is the Cooperative Patent Classification code for “Optical medium access.”
- How many patents are filed under CPC H04J14/0254 (Optical medium access)?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC H04J14/0254 growing?
- Publication counts under this code: 6 in 2023 vs 6 in 2024 (latest complete years).