Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362203 | Process for preparing foundry cores or molds and binder materials used therefor | Susumu Konii, Shigeo Sase, Masatoshi Yoshida, Takeshi Sumi | 1982-12-07 |
| 4283319 | Process for preparing foundry cores or molds and binder materials used therefor | Susumu Konii, Shigeo Sase, Masatoshi Yoshida, Takeshi Sumi | 1981-08-11 |