Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8975757 | Lead-free solder connection structure and solder ball | Minoru Ueshima, Masayuki Suzuki, Yoshie Yamanaka, Shunsaku Yoshikawa, Tsukasa Ohnishi | 2015-03-10 |
| 8691143 | Lead-free solder alloy | Tsukasa Ohnishi, Daisuke Soma | 2014-04-08 |