Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7179417 | Sn—Zn lead-free solder alloy, its mixture, and soldered bond | Masaaki Yoshikawa, Hirotaka Tanaka | 2007-02-20 |
| 7175804 | Sn-Zn lead-free solder alloy, and solder junction portion | Masaaki Yoshikawa, Hirotaka Tanaka | 2007-02-13 |
| 7175805 | Tin-zinc lead-free solder, its mixture, and solder-joined part | Masaaki Yoshikawa, Hirotaka Tanaka | 2007-02-13 |
| 7070736 | Sn-Zn lead-free solder alloy and soldered bond | Masaaki Yoshikawa, Hirotaka Tanaka | 2006-07-04 |