Ceramic powder and multi-layer ceramic capacitor
US-9514883-B2 · Dec 6, 2016 · US
Tungsten oxides, tungstates, or oxide-forming salts thereof
Tungsten oxides, tungstates, or oxide-forming salts thereof · 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 | C04B2235/3258 |
| Official title | Tungsten oxides, tungstates, or oxide-forming salts thereof |
| Display label | Tungsten oxides, tungstates, or oxide-forming salts thereof |
| Total patents | 427 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 28 |
| 2017 | 42 |
| 2018 | 39 |
| 2019 | 50 |
| 2020 | 49 |
| 2021 | 37 |
| 2022 | 46 |
| 2023 | 43 |
| 2024 | 35 |
| 2025 | 20 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pyrolysis Reactor Materials and Methods
US-2016340257-A1 · Nov 24, 2016 · US
Laminated ceramic capacitor
US-9466426-B2 · Oct 11, 2016 · US
Dielectric ceramic composition and ceramic electronic device
US-2016264474-A1 · Sep 15, 2016 · US
Pyrolysis reactor materials and methods
US-9441166-B2 · Sep 13, 2016 · US
Silicon nitride sintered body and wear resistant member using the same
US-9440887-B2 · Sep 13, 2016 · US
Oxide sintered body and method for manufacturing the same, sputtering target, and semiconductor device
US-2016251264-A1 · Sep 1, 2016 · US
Method for incorporating refractory metal element into ceramic matrix composite
US-2016244370-A1 · Aug 25, 2016 · US
Processing of non-oxide ceramics from sol-gel methods
US-2016194251-A1 · Jul 7, 2016 · US
Multilayer ceramic capacitor
US-2016189865-A1 · Jun 30, 2016 · US
Piezoelectric ceramic composition, piezoelectric element, and method for the same
US-2016149119-A1 · May 26, 2016 · US
Tool made of cubic boron nitride sintered body
US-9346716-B2 · May 24, 2016 · US
Honeycomb catalyst and method for manufacturing honeycomb catalyst
US-2016136616-A1 · May 19, 2016 · US
Composite metal oxide materials including polycrystalline nanofibers, microparticles, and nanoparticles, gas sensors using the same as a sensing material thereof, and manufacturing methods thereof
US-9341590-B2 · May 17, 2016 · US
Oxide sintered body and tablets obtained by processing same
US-9340867-B2 · May 17, 2016 · US
Decorative article containing an equipped, coloured and sintered zirconia part
US-9340679-B2 · May 17, 2016 · US
Ferrite magnetic material
US-9336933-B2 · May 10, 2016 · US
Wear resistant member, and method for manufacturing the wear resistant member
US-9334193-B2 · May 10, 2016 · US
Multilayer ceramic capacitor and method for producing the same
US-2016118188-A1 · Apr 28, 2016 · US
Open-Cell Materials for Use in Thermochemical Fuel Production Processes
US-2016114312-A1 · Apr 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2235/3258?
- CPC C04B2235/3258 is the Cooperative Patent Classification code for “Tungsten oxides, tungstates, or oxide-forming salts thereof.”
- How many patents are filed under CPC C04B2235/3258 (Tungsten oxides, tungstates, or oxide-forming salts thereof)?
- Our database includes 427 publications tagged with this CPC code.
- Is patent activity under CPC C04B2235/3258 growing?
- Publication counts under this code: 35 in 2024 vs 20 in 2025 (latest complete years).