Stored-energy power systems
US-2024258798-A1 · Aug 1, 2024 · US
using intermediate DC-AC-DC conversion
using intermediate DC-AC-DC conversion · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02J1/002 |
| Official title | using intermediate DC-AC-DC conversion |
| Display label | using intermediate DC-AC-DC conversion |
| Total patents | 150 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 20 |
| 2017 | 13 |
| 2018 | 13 |
| 2019 | 12 |
| 2020 | 11 |
| 2021 | 17 |
| 2022 | 12 |
| 2023 | 14 |
| 2024 | 10 |
| 2025 | 13 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
LED driver with silicon controlled dimmer, circuit module and control method thereof
US-10356864-B2 · Jul 16, 2019 · US
Arrangement and method for a power bus
US-2019081475-A1 · Mar 14, 2019 · US
Flyback power supply, inverter and electrically powered vehicle
US-2019043664-A1 · Feb 7, 2019 · US
Bluetooth device and data scheduler
US-2018343664-A1 · Nov 29, 2018 · US
Led driver with silicon controlled dimmer, circuit module and control method thereof
US-2018295690-A1 · Oct 11, 2018 · US
Bluetooth device and data scheduler
US-10057914-B2 · Aug 21, 2018 · US
Emergency load management using a DC microgrid during grid outage
US-10020656-B2 · Jul 10, 2018 · US
Power receiver circuit
US-2018159337-A1 · Jun 7, 2018 · US
System and method for integrating hybrid energy storage into direct current power systems
US-2018145600-A1 · May 24, 2018 · US
Power conversion apparatus, power management apparatus, and power management method
US-2018145509-A1 · May 24, 2018 · US
Wireless power receiving device having a short-circuiting switch, and wireless power transmission device
US-9966999-B2 · May 8, 2018 · US
Charging and discharging of DC microgrid energy storage
US-9937810-B2 · Apr 10, 2018 · US
Power delivery device, ac adapter, ac charger, electronic apparatus and power delivery system
US-2018076714-A1 · Mar 15, 2018 · US
Power receiver circuit
US-9912165-B2 · Mar 6, 2018 · US
Motor-driven vehicle
US-9902270-B2 · Feb 27, 2018 · US
Bluetooth device and data scheduler
US-2018007706-A1 · Jan 4, 2018 · US
Methods, systems, and computer readable media for managing the distribution of power from a photovoltaic source in a multiple-floor building
US-9853536-B2 · Dec 26, 2017 · US
Power receiver circuit
US-2017331299-A1 · Nov 16, 2017 · US
Bluetooth device and data scheduler
US-9801202-B2 · Oct 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02J1/002?
- CPC H02J1/002 is the Cooperative Patent Classification code for “using intermediate DC-AC-DC conversion.”
- How many patents are filed under CPC H02J1/002 (using intermediate DC-AC-DC conversion)?
- Our database includes 150 publications tagged with this CPC code.
- Is patent activity under CPC H02J1/002 growing?
- Publication counts under this code: 10 in 2024 vs 13 in 2025 (latest complete years).