Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537404 | Continuous manufacturing method and manufacturing apparatus of thermoplastic polyester resin foam | Susumu Ishiwatari, Takaaki Hirai, Masahiro Shindo, Kiyoshi Yoshioka, Nobuyuki Tsujiwaki | 2003-03-25 |
| 6254977 | High molecular weight thermoplastic polyester resin foam | Susumu Ishiwatari, Takaaki Hirai, Masahiro Shindo, Kiyoshi Yoshioka, Nobuyuki Tsujiwaki | 2001-07-03 |
| 5958164 | Method of manufacturing thermoplastic polyester resin foam by extrusion | Susumu Ishiwatari, Takaaki Hirai, Masahiro Shindo, Kiyoshi Yoshioka, Nobuyuki Tsujiwaki | 1999-09-28 |
| 5882782 | Separable foamed thermoplastic resin laminate sheet, process for producing the same, and formings produced therefrom | — | 1999-03-16 |
| 4911978 | Polyolefin resin foamed laminate sheet and double-side vacuum forming of the same | Yoshinori Kajimoto, Toru Yoshimi | 1990-03-27 |
| 4734304 | Heat-shrinkable sheet | Keizo Ono, Tohimasa Ito | 1988-03-29 |
| 4536357 | Method and apparatus for preparing multi-cellular foamed board of thermoplastic resin | Motoshige Hayashi, Toshirou Kobayashi, Motokazu Yoshii, Mikio Ishikawa | 1985-08-20 |
| 4528221 | Polystyrene foamed sheet suitable for forming | Nobuyuki Komatsuzaki, Bon Machida | 1985-07-09 |
| 4463861 | Sheet for forming sleeve and process for producing the same | Bon Machida | 1984-08-07 |
| 4426065 | Continuous process for the production of polystyrene foamed articles | Nobuyuki Komatsuzaki, Bon Machida | 1984-01-17 |
| 4221621 | Process for preparing a foamed article of thermoplastic resin and a die therefor | Tatsujiro Seki, Motoji Fujii, Motoshige Hayashi | 1980-09-09 |