Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11015033 | Expandable styrene resin particles, pre-expanded particles of styrene resin, styrene resin foam molded body, and method for producing expandable resin particles | Shotaro Maruhashi, Ryoji Nakayama, Yoshihito Yano, Kirito Suzuki | 2021-05-25 |
| 10941265 | Polypropylene-type resin pre-expanded particles, and method for producing said pre-expanded particles | Ryoji Nakayama | 2021-03-09 |