Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7017754 | Method and apparatus for classifying fine balls and method for producing cylindrical sieve | Koji Sato, Masashi Onomura | 2006-03-28 |
| 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 |
| 5997807 | Thin plate made of an Fe-Ni alloy for electronic parts, shadow mask and cathode-ray tube with the shadow mask | — | 1999-12-07 |