Thermoplastic Resin Composition Having Excellent Reflectivity
US-2015376400-A1 · Dec 31, 2015 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01L33/641 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 629 |
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 | 70 |
| 2016 | 85 |
| 2017 | 100 |
| 2018 | 77 |
| 2019 | 67 |
| 2020 | 72 |
| 2021 | 46 |
| 2022 | 29 |
| 2023 | 39 |
| 2024 | 40 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Supporting substrate for preparing semiconductor light-emitting device and semiconductor light-emitting device using supporting substrates
US-9224910-B2 · Dec 29, 2015 · US
A light emitting die component formed by multilayer structures
US-2015364665-A1 · Dec 17, 2015 · US
Electronic device and method for producing same
US-2015359088-A1 · Dec 10, 2015 · US
Vertical topology light-emitting device
US-9209360-B2 · Dec 8, 2015 · US
Heat radiation sheet for board, manufacturing method thereof, and heat radiation board
US-2015349230-A1 · Dec 3, 2015 · US
Led package
US-2015348950-A1 · Dec 3, 2015 · US
Mixed light source
US-9200762-B2 · Dec 1, 2015 · US
Metal laminated structure and method for producing the metal laminated structure
US-9199433-B2 · Dec 1, 2015 · US
Multilayered LED printed circuit board
US-9203008-B2 · Dec 1, 2015 · US
Light emitting device package and light unit
US-9196814-B2 · Nov 24, 2015 · US
Bonded body and semiconductor module
US-9196563-B2 · Nov 24, 2015 · US
High-power electronic devices containing metal nanoparticle-based thermal interface materials and related methods
US-9190342-B2 · Nov 17, 2015 · US
Light-emitting device
US-9184360-B2 · Nov 10, 2015 · US
Light emitting device with reduced epi stress
US-2015318459-A1 · Nov 5, 2015 · US
Wiring substrate
US-2015311417-A1 · Oct 29, 2015 · US
Structured Substrate
US-2015295155-A1 · Oct 15, 2015 · US
Light emitting device
US-2015287892-A1 · Oct 8, 2015 · US
Thermally-conductive sheet, LED mounting substrate, and LED module
US-9153761-B2 · Oct 6, 2015 · US
Light-emitting diode package and method of fabricating the same
US-9153745-B2 · Oct 6, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L33/641?
- CPC H01L33/641 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L33/641 (Electricity)?
- Our database includes 629 publications tagged with this CPC code.
- Is patent activity under CPC H01L33/641 growing?
- Publication counts under this code: 40 in 2024 vs 4 in 2025 (latest complete years).