Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851508 | Polyester fibers having high strength and high modulus and process for producing the same | Kazuo Kurita, Masahiro Hayashi, Hideaki Ishihara, Fujio Okada, Wataru Yoshikawa +2 more | 1989-07-25 |
| 4824619 | Process of producing polyethylene drawn filaments and drawn films | Fujio Okada | 1989-04-25 |
| 4825056 | Thin-film electromagnetic transducer | Fumio Izawa | 1989-04-25 |
| 4818853 | Data card with inductive signal transfer device | Kazuyoshi Fuse, Kunio Ohmi, Toshiaki Sato, Masayuki Shinozaki | 1989-04-04 |
| 4800121 | Drawn polyethylene filament tensile member | Fujio Okada, Masahiro Hayashi | 1989-01-24 |