Data mapping method, data demapping method, and related device
US-2025286643-A1 · Sep 11, 2025 · US
Network Node Interface, e.g. tandem connections, transit switching
Network Node Interface, e.g. tandem connections, transit switching · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04J2203/0051 |
| Official title | Network Node Interface, e.g. tandem connections, transit switching |
| Display label | Network Node Interface, e.g. tandem connections, transit switching |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 7 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Alarm processing method and apparatus
US-12375173-B2 · Jul 29, 2025 · US
Transmission pipe configuration method, apparatus, and system
US-12255819-B2 · Mar 18, 2025 · US
Board, optical module, OLT, and information processing method
US-11936430-B2 · Mar 19, 2024 · US
Board, optical module, olt, and information processing method
US-2023116204-A1 · Apr 13, 2023 · US
Alarm Processing Method and Apparatus
US-2023096052-A1 · Mar 30, 2023 · US
Access point identifiers in 400ZR and 400ZR+ protocols
US-11569924-B2 · Jan 31, 2023 · US
Board, optical module, OLT, and information processing method
US-11558118-B2 · Jan 17, 2023 · US
Transmission Pipe Configuration Method, Apparatus, and System
US-2022393980-A1 · Dec 8, 2022 · US
Access point identifiers in 400zr and 400zr+ protocols
US-2022345239-A1 · Oct 27, 2022 · US
Line card and design method therefor, communication control method and device, and storage medium
US-11310573-B2 · Apr 19, 2022 · US
TCM control for physical layer on OTU ports
US-11309984-B2 · Apr 19, 2022 · US
TCM control for physical layer on OTU ports
US-2021281342-A1 · Sep 9, 2021 · US
Line card and design method therefor, communication control method and device, and storage medium
US-2021281933-A1 · Sep 9, 2021 · US
Board, optical module, olt, and information processing method
US-2021250096-A1 · Aug 12, 2021 · US
Fault localization using tandem connection monitors in optical transport network
US-10826604-B2 · Nov 3, 2020 · US
Transparent deployment of packet services using optical transport network
US-10320476-B2 · Jun 11, 2019 · US
Transparent deployment of packet services using optical transport network
US-2019132045-A1 · May 2, 2019 · US
Systems and methods for path protection switching due to client protection switching
US-9853722-B1 · Dec 26, 2017 · US
Systems and methods for path protection switching due to client protection switching
US-2017366255-A1 · Dec 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04J2203/0051?
- CPC H04J2203/0051 is the Cooperative Patent Classification code for “Network Node Interface, e.g. tandem connections, transit switching.”
- How many patents are filed under CPC H04J2203/0051 (Network Node Interface, e.g. tandem connections, transit switching)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC H04J2203/0051 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).