Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596782 | Hydrous polyolefin resin composition, preexpanded particles produced therefrom, process for producing the same, and expanded molding | Kenji Mogami, Tsuyoshi Mihayashi, Naruhiko Akamatsu | 2003-07-22 |
| 6593047 | Single-layer type electrophotosensitive material | Jun Azuma, Yukimasa Watanabe, Hisakazu Honma, Ayako Yashima, Maki Uchida | 2003-07-15 |
| 6576179 | Injection molding process using a pair of reservoirs and an injection device | Masaharu Abe, Hiroshi Yamamoto | 2003-06-10 |
| 6461779 | Single-layer type electrophotosensitive material | Yukimasa Watanabe, Jun Azuma, Ayako Yashima, Hisakazu Honma | 2002-10-08 |
| 6221926 | Expandable polystyrene resin beads, process for the preparation of them, and foam made by using the same | Hidekazu Oohara, Hidehiro Yamaguchi | 2001-04-24 |
| 6166096 | Pre-expanded particles of polypropylene resin, process for producing the same and process for producing in-mold foamed articles therefrom | Tadayuki Ichimura, Kenichi Senda | 2000-12-26 |
| 6042757 | Injection-molding apparatus and method of injection-molding | Masaharu Abe, Shigeru Takaragi, Hiroshi Yamamoto, Osamu Sasaki | 2000-03-28 |
| 5821272 | Method for post-treatment of polyolefin resin pre-expanded particles | Shinobu Ochikoshi, Hisatoshi Fukui, Hideya Mizuike, Naruhiko Akamatsu | 1998-10-13 |
| 5017621 | Polypropylene resin pre-expanded beads, manufacturing method thereof and expansion-molding method using said beads | Hitoshi Shiiki, Minoru Tada | 1991-05-21 |
| 4979963 | Process for coloring expandable polystyrene beads | Junichi Nakada, Toshiaki Yamamoto, Minoru Tada | 1990-12-25 |
| 4931477 | Polypropylene resin pre-expanded beads, manufacturing method thereof and expansion-molding method using said beads | Hitoshi Shiiki, Minoru Tada | 1990-06-05 |
| 4810440 | Process for pre-expanding thermoplastic resin particles | Hiroyuki Yoshida | 1989-03-07 |
| 4761431 | Pre-expanded particles of propylene resin | — | 1988-08-02 |
| 4748191 | Process for preparing pre-expanded particles of thermoplastic resin | — | 1988-05-31 |
| 4720509 | Pre-expanded particles of propylene resin | — | 1988-01-19 |
| 4687641 | Apparatus for preparing pre-expanded thermoplastic resins | Hirofumi Maeda, Hisatoshi Fukui | 1987-08-18 |
| 4686087 | Apparatus for thermoplastic resins pre-expanding process | Hirofumi Maeda, Toshihiro Hatamoto | 1987-08-11 |
| 4617322 | Pre-expanded particle of non-crosslinked linear low density polyethylene | Kenichi Senda, Masao Ando, Tatehiko Nishida | 1986-10-14 |
| 4540718 | Pre-expanded particle of polyolefine and process for preparing the same | Kenichi Senda, Masao Ando, Tatehiko Nishida | 1985-09-10 |
| 4525485 | Pre-expanding process and apparatus for the same | Hirofumi Maeda, Hisatoshi Fukui | 1985-06-25 |
| 4524154 | Pre-expanding process and apparatus for the same | Hirofumi Maeda, Toshihiro Hatamoto | 1985-06-18 |
| 4448901 | Expanded particles of polyolefin resin and process for producing same | Kenichi Senda, Masao Ando, Kiyoshi Mori, Tatehiko Nishida | 1984-05-15 |
| 4298706 | Foams prepared from polypropylene resin composition and process for producing same | Takashi Ueno | 1981-11-03 |