Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338337 | Expandable methyl methacrylate resin particles, methyl methacrylate resin pre-expanded particles, methyl methacrylate expansion-molded body, and method for producing expandable methyl methacrylate resin particles | Tsuyoshi Kobayashi, Kirito Suzuki | 2025-06-24 |
| 8785508 | Pre-expanded polypropylene resin beads and process for producing same | — | 2014-07-22 |
| 8569390 | Polypropylene resin pre-expanded particles and in-mold foamed articles prepared therefrom | Tomonori Iwamoto | 2013-10-29 |
| 6593382 | Polyolefin resin pre-expanded particles and process for preparing the same | Tomonori Iwamoto, Kenichi Senda | 2003-07-15 |