Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837115 | Thermoplastic polyester composition having improved flavor-retaining property and vessel formed therefrom | Reiko Igarashi, Yoshihiko Watanabe | 1989-06-06 |
| 4820795 | Polyester vessel and package | Yoshihiko Watanabe | 1989-04-11 |
| 4818575 | Biaxially drawn polyester vessel having resistance to heat distortion and gas barrier properties and process for preparation thereof | Shunsaku Hirata, Shigezo Nohara | 1989-04-04 |
| 4816304 | Multi-layer gas-barrier drawn polyester vessel | Shigezo Nohara, Takeshi Sugimoto, Yoshimichi Ohkubo | 1989-03-28 |
| 4798697 | Process for preparation of injection molded body of olefin/vinyl alcohol copolymer | Shigezo Nohara, Junichi Matsuo, Masami Hirano, Isao Tanikawa | 1989-01-17 |