Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10150185 | Method for producing metal ball, joining material, and metal ball | Hiroyoshi Kawasaki, Takahiro Roppongi, Isamu Sato | 2018-12-11 |
| 10147695 | Cu core ball | Hiroyoshi Kawasaki, Tomohiko Hashimoto, Atsushi Ikeda, Takahiro Roppongi, Isamu Sato +1 more | 2018-12-04 |
| 10137535 | Cu ball, Cu core ball, solder joint, solder paste, and solder foam | Hiroyoshi Kawasaki, Takahiro Roppongi, Isamu Sato | 2018-11-27 |