Insulated electrical wire and production method therefor
US-2024052199-A1 · Feb 15, 2024 · US
Polyimides or polyesterimides
Polyimides or polyesterimides · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01B3/306 |
| Official title | {Polyimides or polyesterimides} |
| Display label | Polyimides or polyesterimides |
| Total patents | 426 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 51 |
| 2016 | 39 |
| 2017 | 42 |
| 2018 | 47 |
| 2019 | 50 |
| 2020 | 40 |
| 2021 | 32 |
| 2022 | 22 |
| 2023 | 32 |
| 2024 | 27 |
| 2025 | 39 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Insulated electric wire and coil
US-2016380499-A1 · Dec 29, 2016 · US
Insulated wire and winding
US-2016329127-A1 · Nov 10, 2016 · US
Insulated electric wire and coil using same
US-9484124-B2 · Nov 1, 2016 · US
Multi-core cable
US-2016314873-A1 · Oct 27, 2016 · US
Insulated wire, electrical equipment, and method of producing an insulated wire
US-9443643-B2 · Sep 13, 2016 · US
Heated capacitor and method of forming the heated capacitor
US-2016163452-A1 · Jun 9, 2016 · US
Insulated electric wire
US-9330814-B2 · May 3, 2016 · US
Semiconductor structures and methods of manufacture
US-9230929-B2 · Jan 5, 2016 · US
Composition for fixing wound items
US-2015353766-A1 · Dec 10, 2015 · US
Insulated wire
US-2015357084-A1 · Dec 10, 2015 · US
Curable composition for electrical machine, and associated method
US-2015357086-A1 · Dec 10, 2015 · US
Heated capacitor and method of forming the heated capacitor
US-2015348708-A1 · Dec 3, 2015 · US
Non-metallic light conductive wire and its method and application products
US-2015348668-A1 · Dec 3, 2015 · US
Blends of polyethersulfones and polyphenylene sulfide resins
US-9200159-B2 · Dec 1, 2015 · US
Polyimide metal clad laminate
US-2015336354-A1 · Nov 26, 2015 · US
Circuit board
US-2015342044-A1 · Nov 26, 2015 · US
Circuit board
US-2015342043-A1 · Nov 26, 2015 · US
Circuit board
US-2015342041-A1 · Nov 26, 2015 · US
Circuit board
US-2015342042-A1 · Nov 26, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01B3/306?
- CPC H01B3/306 is the Cooperative Patent Classification code for “Polyimides or polyesterimides.”
- How many patents are filed under CPC H01B3/306 (Polyimides or polyesterimides)?
- Our database includes 426 publications tagged with this CPC code.
- Is patent activity under CPC H01B3/306 growing?
- Publication counts under this code: 27 in 2024 vs 39 in 2025 (latest complete years).