Methods and compositions for increased thermoelectric oxide ceramic performance
US-2024132412-A1 · Apr 25, 2024 · US
Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate
Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B2235/3298 |
| Official title | Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate |
| Display label | Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate |
| Total patents | 648 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 86 |
| 2016 | 70 |
| 2017 | 77 |
| 2018 | 59 |
| 2019 | 73 |
| 2020 | 64 |
| 2021 | 55 |
| 2022 | 60 |
| 2023 | 48 |
| 2024 | 29 |
| 2025 | 23 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Highly dense red mud shields for x-ray and gamma-ray attenuation
US-2024018050-A1 · Jan 18, 2024 · US
Light transmitting metal oxide sintered body manufacturing method and light transmitting metal oxide sintered body
US-2015376023-A1 · Dec 31, 2015 · US
Thermoelectric Materials and Devices Comprising Graphene
US-2015380625-A1 · Dec 31, 2015 · US
Lead-free piezoelectric material
US-2015372221-A1 · Dec 24, 2015 · US
Piezoelectric material, piezoelectric device, and electronic apparatus
US-2015364672-A1 · Dec 17, 2015 · US
Ceramic composition
US-2015353430-A1 · Dec 10, 2015 · US
Dielectric ceramic composition and dielectric device
US-2015348709-A1 · Dec 3, 2015 · US
Light-emitting element, method for producing same and light-emitting device
US-9202995-B2 · Dec 1, 2015 · US
Multilayer ceramic capacitor, dielectric ceramic, multilayer ceramic electronic component, and method for manufacturing multilayer ceramic capacitor
US-9202626-B2 · Dec 1, 2015 · US
Scheelite microwave dielectric ceramic material and preparation method thereof
US-9199882-B2 · Dec 1, 2015 · US
Light-emitting ceramic, light-emitting element, and light-emitting device
US-2015329775-A1 · Nov 19, 2015 · US
Piezoelectric material, piezoelectric element, liquid ejecting head, liquid ejecting apparatus, ultrasonic sensor, piezoelectric motor, and power generator
US-9190601-B2 · Nov 17, 2015 · US
Semiconductor ceramic composition, method for producing the same, and PTC element
US-9190194-B2 · Nov 17, 2015 · US
Single phase lead-free cubic pyrochlore bismuth zinc niobate-based dielectric materials and processes for manufacture
US-2015325331-A1 · Nov 12, 2015 · US
Dielectric materials for power transfer system
US-9174876-B2 · Nov 3, 2015 · US
Dielectric ceramic composition and multilayer ceramic capacitor containing the same
US-2015299046-A1 · Oct 22, 2015 · US
Piezoelectric material, piezoelectric element, and electronic device
US-9166140-B2 · Oct 20, 2015 · US
Oxide sintered body, sputtering target using it, and oxide film
US-2015295116-A1 · Oct 15, 2015 · US
Piezoelectric material, piezoelectric element, and electronic equipment
US-9159903-B2 · Oct 13, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2235/3298?
- CPC C04B2235/3298 is the Cooperative Patent Classification code for “Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate.”
- How many patents are filed under CPC C04B2235/3298 (Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate)?
- Our database includes 648 publications tagged with this CPC code.
- Is patent activity under CPC C04B2235/3298 growing?
- Publication counts under this code: 29 in 2024 vs 23 in 2025 (latest complete years).