Surface light-emission element using zinc oxide substrate
US-2015372191-A1 · Dec 24, 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 | H01L33/16 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 557 |
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 | 72 |
| 2016 | 75 |
| 2017 | 77 |
| 2018 | 60 |
| 2019 | 72 |
| 2020 | 38 |
| 2021 | 39 |
| 2022 | 34 |
| 2023 | 31 |
| 2024 | 49 |
| 2025 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for creating a porus reflective contact
US-2015372192-A1 · Dec 24, 2015 · US
Nitride semiconductor structure and method of preparing the same
US-9219111-B2 · Dec 22, 2015 · US
Nitride semiconductor light-emitting diode
US-2015357522-A1 · Dec 10, 2015 · US
Manufacturing a laser diode device from a plurality of gallium and nitrogen containing substrates
US-9209596-B1 · Dec 8, 2015 · US
Semiconductor device and method of fabricating the same
US-9209358-B2 · Dec 8, 2015 · US
Structure and manufacturing method of the structure, and gallium nitride-based semiconductor light-emitting device using the structure and manufacturing method of the device
US-9209254-B2 · Dec 8, 2015 · US
Method of fabricating nitride semiconductor light emitting device
US-9209349-B2 · Dec 8, 2015 · US
Semiconductor light-emitting device and method for manufacturing semiconductor light-emitting device
US-9202998-B2 · Dec 1, 2015 · US
Semiconductor light-emitting device, method for forming recesses of the same, and light source apparatus using the same
US-9196794-B2 · Nov 24, 2015 · US
Formation of group III-V material layers on patterned substrates
US-9196795-B2 · Nov 24, 2015 · US
Light-emitting device
US-9184354-B2 · Nov 10, 2015 · US
Nitride-based semiconductor light-emitting device and method for fabricating the same
US-2015318445-A1 · Nov 5, 2015 · US
Semiconductor light emitting device
US-9178111-B2 · Nov 3, 2015 · US
Thin film transistor array panel and method for manufacturing the same
US-9171999-B2 · Oct 27, 2015 · US
Light-emitting element and method for manufacturing same
US-9166101-B2 · Oct 20, 2015 · US
Semipolar or nonpolar nitride-based devices on partially or fully relaxed alloys with misfit dislocations at the heterointerface
US-9159553-B2 · Oct 13, 2015 · US
Seed Crystal Substrates, Composite Substrates and Functional Devices
US-2015287884-A1 · Oct 8, 2015 · US
High-quality non-polar/semi-polar semiconductor device on porous nitride semiconductor and manufacturing method thereof
US-9153737-B2 · Oct 6, 2015 · US
Light source apparatus and light emitting diode package
US-9155146-B2 · Oct 6, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L33/16?
- CPC H01L33/16 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L33/16 (Electricity)?
- Our database includes 557 publications tagged with this CPC code.
- Is patent activity under CPC H01L33/16 growing?
- Publication counts under this code: 49 in 2024 vs 10 in 2025 (latest complete years).