Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8250994 | Collapsible material, placement rack, incineration method, lost-wax mold, and mold collapsing method | Yozaburo Osawa | 2012-08-28 |
| 4225033 | Dustproof chute for particulate material loader | Kouichi Fukagai, Kouichi Higashinaka | 1980-09-30 |