Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085821 | Preparation of multi-layer drawn polyester bottles | — | 1992-02-04 |
| 4904509 | Injection-molded body of olefin/vinyl alcohol copolymer and process for preparation thereof | Sadao Hirata, Junichi Matsuo, Masami Hirano, Isao Tanikawa | 1990-02-27 |
| 4818575 | Biaxially drawn polyester vessel having resistance to heat distortion and gas barrier properties and process for preparation thereof | Shunsaku Hirata, Sadao Hirata | 1989-04-04 |
| 4816304 | Multi-layer gas-barrier drawn polyester vessel | Sadao Hirata, Takeshi Sugimoto, Yoshimichi Ohkubo | 1989-03-28 |
| 4798697 | Process for preparation of injection molded body of olefin/vinyl alcohol copolymer | Sadao Hirata, Junichi Matsuo, Masami Hirano, Isao Tanikawa | 1989-01-17 |
| 4741936 | Laminate preform for a multi-layer polyester bottle | Takeshi Sugimoto, Kozaburo Sakano, Yoshimichi Ohkubo, Junichi Matsuo | 1988-05-03 |
| 4649004 | Process for production of multi-layer pipes for draw-forming | Takeshi Sugimoto, Kozaburo Sakano, Yoshimichi Ohkubo, Junichi Matsuo | 1987-03-10 |
| 4646925 | Multi-layer preform for draw-blow forming a bottle | — | 1987-03-03 |
| 4534930 | Process for producing stretched multilayer polyester bottle | — | 1985-08-13 |