Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5821272 | Method for post-treatment of polyolefin resin pre-expanded particles | Shinobu Ochikoshi, Kyoichi Nakamura, Hideya Mizuike, Naruhiko Akamatsu | 1998-10-13 |
| 5248459 | Method of manufacturing molded resin foam and apparatus therefor | Yukio Fukasawa, Shiro Tojo | 1993-09-28 |
| 4687641 | Apparatus for preparing pre-expanded thermoplastic resins | Hirofumi Maeda, Kyoichi Nakamura | 1987-08-18 |
| 4525485 | Pre-expanding process and apparatus for the same | Hirofumi Maeda, Kyoichi Nakamura | 1985-06-25 |