Inventor
MATSUFUJI Takahiro
JP10 patents
Patents
10 patentsUS12569941B2Mar 10, 2026
Solder alloy, solder paste, solder ball, solder preform, solder joint, in-vehicle electronic circuit, ECU electronic circuit, in-vehicle electronic circuit device and ECU electronic circuit device
SENJU METAL INDUSTRY CO1 citations62
US11241760B2Feb 8, 2022
Solder alloy, solder paste, solder ball, resin flux-cored solder and solder joint
SENJU METAL INDUSTRY CO0 citations61
US12576463B2Mar 17, 2026
Lead-free and antimony-free solder alloy, solder ball, and solder joint
SENJU METAL INDUSTRY CO0 citations60
US12447564B2Oct 21, 2025
Solder alloy, solder ball, and solder joint
SENJU METAL INDUSTRY CO0 citations60
US12377500B2Aug 5, 2025
Lead-free and antimony-free solder alloy, solder ball, and solder joint
SENJU METAL INDUSTRY CO0 citations60
US12109653B2Oct 8, 2024
Solder alloy, solder ball, solder paste, and solder joint
SENJU METAL INDUSTRY CO1 citations60
US12053843B2Aug 6, 2024
Solder alloy, solder paste, solder ball, solder preform, solder joint, in-vehicle electronic circuit, ECU electronic circuit, in-vehicle electronic circuit device and ECU electronic circuit device
SENJU METAL INDUSTRY CO1 citations60
US12583061B2Mar 24, 2026
Solder alloy, solder paste, and solder joint
SENJU METAL INDUSTRY CO0 citations58
US12583060B2Mar 24, 2026
Solder alloy, solder ball and solder joint
SENJU METAL INDUSTRY CO0 citations56
US11607753B2Mar 21, 2023
Solder alloy, cast article, formed article, and solder joint
SENJU METAL INDUSTRY CO0 citations49