Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5391581 | Production method of foamed particles of uncrosslinked ethylene-based resin | Kazuo Tsurugai, Masaharu Oikawa, Hidehiro Sasaki, Satoru Shioya | 1995-02-21 |
| 5284431 | Filling apparatus for filling foamed particles of a thermoplastic resin into a mold | Hidehiro Sasaki, Satoru Shioya | 1994-02-08 |
| 5130341 | Process for the production of foamed poymer particles | Kazuo Tsurugai, Masaharu Oikawa | 1992-07-14 |
| 5122545 | Production method of prefoamed synthetic resin particles | Hidehiro Sasaki, Masato Naito, Kazuo Turugai | 1992-06-16 |
| 5071883 | Process for the production of expanded particles of a polyolefin resin | Kazuo Tsurugai, Masato Naito, Hidehiro Sasaki | 1991-12-10 |
| 5053435 | Pre-foamed particles of uncrosslinked, linear low-density polyethylene and production method thereof | Masashi Hashiba, Masato Naito | 1991-10-01 |
| 5015667 | Pre-foamed beads of polyethylene base resin | Shohei Yoshimura, Toru Yamaguchi | 1991-05-14 |
| 4948817 | Pre-foamed particles of uncrosslinked, linear low-density polyethylene and production method thereof | Masahiro Hashiba, Masato Naito | 1990-08-14 |
| 4889671 | Production method of prefoamed particles of polyolefin resin | Hiroyuki Akiyama, Susumu Izawa, Toru Yamaguchi | 1989-12-26 |
| 4840973 | Polypropylene resin prefoamed particles | Shohei Yoshimura | 1989-06-20 |
| 4777000 | Production method of expansion-molded article of polypropylene resin | Masato Kanbe | 1988-10-11 |
| 4769393 | Expanded particles of modified polyethylene and foamed articles obtained therefrom | Masato Naito | 1988-09-06 |
| 4711287 | Casting method | Masato Naito, Teishiro Watanabe, Tadatsugu Hamada | 1987-12-08 |
| 4704239 | Process for the production of expanded particles of a polymeric material | Shohei Yoshimura, Toru Yamaguchi, Masato Kanbe | 1987-11-03 |
| 4695593 | Prefoamed propylene polymer-base particles, expansion-molded article produced from said particles and production process of said article | Atsushi Kitagawa, Yoshimi Sudo | 1987-09-22 |
| 4692507 | Propylene-base random copolymer particles and production process thereof | Hiroyuki Akiyama, Susumu Izawa | 1987-09-08 |
| 4676939 | Process for the production of expanded particles of a polypropylene resin | — | 1987-06-30 |
| 4657937 | Energy absorber | Masato Naito | 1987-04-14 |
| 4617323 | Prefoamed particles of crosslinked propylene-type resin and molded article prepared therefrom | Yoshimi Sudo, Atusi Kitagawa | 1986-10-14 |
| 4602082 | Propylene-base random copolymer particles and production process thereof | Hiroyuki Akiyama, Susumu Izawa | 1986-07-22 |
| 4587270 | Preliminarily foamed particles of non-crosslinked polypropylene-type resin | Yoshimi Sudo | 1986-05-06 |
| 4568608 | Pre-foamed particles of polypropylene-base resin | Toru Yamaguchi, Atushi Kitagawa | 1986-02-04 |
| 4567208 | Preliminarily foamed particles of non-crosslinked polypropylene-type resin | Yoshimi Sudo | 1986-01-28 |
| 4504653 | Process for producing polyolefin resin particles | Shohei Yoshimura, Toru Yamaguchi, Yoshimi Sudo | 1985-03-12 |
| 4504601 | Process for producing pre-foamed particles of polypropylene resin | Shohei Yoshimura, Toru Yamaguchi, Yoshimi Sudo | 1985-03-12 |