
| PAT | No.3005183 | Water cooling tank with moving molding |
| PAT | No.2002531 | Production method for cobble stones |
| PAT | No.2510471 | Tightening equipment for synthetic resin molding |
| PAT | No.3924335 | Equipment for compressing burned ash |
| PAT | No.3985529 | Processing method of plastic waste |
| PAT,P | No.1995-271765 | Plunger type resin spray equipment |
| PAT,P | No.1997-287376 | Production method for think plastic molding |
| PAT,P | No.1998-190683 | Buffering for road quake |
| PAT,P | No.1999-025409 | Burned ash disposal method |
| PAT,P | No.1999-302709 | Plastic molding method |
| PAT,P | No.2000-223039 | Energy pallet from waste plastic |
| PAT,P | No.2003-017880 | Odd material removing equipment in crushed plastic waste |
| PAT,P | No.2003-017882 | Production method of waste fuel |
