Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9561539 | Gas pressure controlled casting mold | Kaoru Sugita, Takeshi Fujita | 2017-02-07 |
| 4734127 | Process and apparatus for refining aluminum | Toshiaki Iuchi, Kaoru Sugita, Norio Tuchihashi, Terumi Kanamori, Masaharu Sugiyama | 1988-03-29 |
| 4719959 | Apparatus for continuously producing hollow metallic ingot | Susumu Nawata, Katsuzo Ichikawa, Masaharu Sugiyama | 1988-01-19 |