Multifunction Wireless Device
US-2017346940-A1 · Nov 30, 2017 · US
Secure or trusted billing, e.g. trusted elements or encryption
Secure or trusted billing, e.g. trusted elements or encryption · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04M15/48 |
| Official title | {Secure or trusted billing, e.g. trusted elements or encryption} |
| Display label | Secure or trusted billing, e.g. trusted elements or encryption |
| Total patents | 190 |
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 | 18 |
| 2016 | 25 |
| 2017 | 25 |
| 2018 | 18 |
| 2019 | 20 |
| 2020 | 19 |
| 2021 | 22 |
| 2022 | 13 |
| 2023 | 15 |
| 2024 | 7 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and System for Location-Dependent Billing for Services
US-2017302802-A1 · Oct 19, 2017 · US
Secure time functionality for a wireless device
US-9774457-B2 · Sep 26, 2017 · US
System and method for secure payment processing using subscriber identity module cards
US-9760877-B1 · Sep 12, 2017 · US
Communication data account processing method and device thereof
US-2017251110-A1 · Aug 31, 2017 · US
Multifunction wireless device
US-2017208468-A1 · Jul 20, 2017 · US
System and method for authenticating called parties of individuals within a controlled environment
US-9699304-B1 · Jul 4, 2017 · US
Tracking data usage in a secure session
US-2017163430-A1 · Jun 8, 2017 · US
Multifunction wireless device
US-9674338-B2 · Jun 6, 2017 · US
Multifunction wireless device
US-9661128-B2 · May 23, 2017 · US
Method and device for confirming and executing payment operations
US-9652137-B2 · May 16, 2017 · US
Proximity service charging
US-9654646-B2 · May 16, 2017 · US
Method and apparatus for identifying a user of a mobile device
US-2017118632-A1 · Apr 27, 2017 · US
Multifunction wireless device
US-9614954-B2 · Apr 4, 2017 · US
Charging for commercial group based messaging
US-9602677-B2 · Mar 21, 2017 · US
System and Method for Authenticating Called Parties of Individuals Within a Controlled Environment
US-2017041788-A1 · Feb 9, 2017 · US
Method and apparatus for reloading a mobile number
US-2017006167-A1 · Jan 5, 2017 · US
Multifunction Wireless Device
US-2016381212-A1 · Dec 29, 2016 · US
Multifunction Wireless Device
US-2016381556-A1 · Dec 29, 2016 · US
Multifunction Wireless Device
US-2016381219-A1 · Dec 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04M15/48?
- CPC H04M15/48 is the Cooperative Patent Classification code for “Secure or trusted billing, e.g. trusted elements or encryption.”
- How many patents are filed under CPC H04M15/48 (Secure or trusted billing, e.g. trusted elements or encryption)?
- Our database includes 190 publications tagged with this CPC code.
- Is patent activity under CPC H04M15/48 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).