Au-BASED SOLDERING BALL, CERAMIC ELECTRONIC COMPONENT SEALED OR BONDED THEREWITH, AND METHOD FOR EVALUATING BONDING RELIABILITY OF SAID Au-BASED SOLDERING BALL
US-2018221995-A1 · Aug 9, 2018 · US
containing tin or lead
containing tin or lead · 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 | C22C30/04 |
| Official title | containing tin or lead |
| Display label | containing tin or lead |
| Total patents | 184 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 21 |
| 2017 | 18 |
| 2018 | 9 |
| 2019 | 22 |
| 2020 | 18 |
| 2021 | 10 |
| 2022 | 17 |
| 2023 | 17 |
| 2024 | 18 |
| 2025 | 9 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Anti-corrosion structure and fuel cell employing the same
US-2018151891-A1 · May 31, 2018 · US
Hydrogen storage alloys
US-9856544-B2 · Jan 2, 2018 · US
Brazing alloy
US-2017368641-A1 · Dec 28, 2017 · US
Negative electrode active material for electric device
US-9843040-B2 · Dec 12, 2017 · US
Ni ball, Ni nuclear ball, solder joint, foam solder and solder paste
US-9816160-B2 · Nov 14, 2017 · US
Chip arrangements
US-2017323865-A1 · Nov 9, 2017 · US
Alloy and lithium ion battery
US-2017317355-A1 · Nov 2, 2017 · US
High-temperature lead-free solder alloy
US-9796053-B2 · Oct 24, 2017 · US
Super elastic zirconium alloy for biological use, medical instrument and glasses
US-9758846-B2 · Sep 12, 2017 · US
Wear-resistant copper-base alloy
US-2017253950-A1 · Sep 7, 2017 · US
Solder alloys and arrangements
US-9735126-B2 · Aug 15, 2017 · US
Acid-Resistant Alloy Catalyst
US-2017203283-A1 · Jul 20, 2017 · US
Imprinting Metallic Substrates at Hot Working Temperatures
US-2017151598-A1 · Jun 1, 2017 · US
Mixed alloy solder paste
US-9636784-B2 · May 2, 2017 · US
Electrical apparatus
US-9640508-B2 · May 2, 2017 · US
Hydrogen gas generating member and hydrogen gas producing method therefor
US-9617622-B2 · Apr 11, 2017 · US
Lead-free solder alloy for vehicle glass
US-9610656-B2 · Apr 4, 2017 · US
Thermoelectric conversion material, thermoelectric conversion module using the same, and manufacturing method of the same
US-9570667-B2 · Feb 14, 2017 · US
Power module substrate, power module substrate with heat sink, power module, method of manufacturing power module substrate, and copper member-bonding paste
US-2017034905-A1 · Feb 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22C30/04?
- CPC C22C30/04 is the Cooperative Patent Classification code for “containing tin or lead.”
- How many patents are filed under CPC C22C30/04 (containing tin or lead)?
- Our database includes 184 publications tagged with this CPC code.
- Is patent activity under CPC C22C30/04 growing?
- Publication counts under this code: 18 in 2024 vs 9 in 2025 (latest complete years).