Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554166 | Apparatus for producing fine metal balls | Koji Sato, Yasushi Ishimoto, Gaku Akishige, Noboru Hanai | 2003-04-29 |
| 6517602 | Solder ball and method for producing same | Koji Sato, Masayoshi Date | 2003-02-11 |