Dual charger architecture for foldable mobile computing devices
US-2023378773-A1 · Nov 23, 2023 · US
using discharge tubes without control electrode or semiconductor devices without control electrode
using discharge tubes without control electrode or semiconductor devices without control electrode · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02M3/08 |
| Official title | using discharge tubes without control electrode or semiconductor devices without control electrode |
| Display label | using discharge tubes without control electrode or semiconductor devices without control electrode |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 12 |
| 2018 | 8 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 11 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Booster circuit and voltage generator
US-2023261586-A1 · Aug 17, 2023 · US
Demodulation in a contact hearing system
US-11711657-B2 · Jul 25, 2023 · US
Nearfield inductive coupling in a contact hearing system
US-11706573-B2 · Jul 18, 2023 · US
Quality factor in a contact hearing system
US-11665487-B2 · May 30, 2023 · US
Inductive coupling coil structure in a contact hearing system
US-11606649-B2 · Mar 14, 2023 · US
Modulation in a contact hearing system
US-2023052209-A1 · Feb 16, 2023 · US
Disconnection arc prevention in cable-supplied power connection
US-11509130-B2 · Nov 22, 2022 · US
Power Supply Module and Charged Particle Beam Device
US-2022319795-A1 · Oct 6, 2022 · US
Disconnection arc prevention in cable-supplied power connection
US-2022255313-A1 · Aug 11, 2022 · US
Eartip venting in a contact hearing system
US-11375321-B2 · Jun 28, 2022 · US
Dielectric elastomer power generation system
US-2022165932-A1 · May 26, 2022 · US
Modulation in a contact hearing system
US-11343617-B2 · May 24, 2022 · US
Multi-level boost apparatus
US-11283354-B2 · Mar 22, 2022 · US
DC-DC converters having DIN rail mounts
US-11095117-B2 · Aug 17, 2021 · US
Laser diode driver circuit techniques
US-11075502-B2 · Jul 27, 2021 · US
Inductor device, non-contact power charging/supplying system and electric vehicle
US-11056927-B2 · Jul 6, 2021 · US
Modulation in a contact hearing system
US-2021160631-A1 · May 27, 2021 · US
Nearfield inductive coupling in a contact hearing system
US-2021152950-A1 · May 20, 2021 · US
Demodulation in a contact hearing system
US-2021152957-A1 · May 20, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02M3/08?
- CPC H02M3/08 is the Cooperative Patent Classification code for “using discharge tubes without control electrode or semiconductor devices without control electrode.”
- How many patents are filed under CPC H02M3/08 (using discharge tubes without control electrode or semiconductor devices without control electrode)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC H02M3/08 growing?
- Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).