Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889881 | Ethylene-.alpha.-olefin vulcanized rubber composition | Hiroyoshi Takao, Kiyosi Ikeda | 1989-12-26 |
| 4874639 | Coating method in coating line and coating apparatus therefor | Masataka Matsui, Toshiaki Aono, Tadamitsu Nakahama, Takakazu Yamane | 1989-10-17 |
| 4820774 | Elastomer composition | Hiroyoshi Takao, Kiyosi Ikeda, Masahiro Fukuyama | 1989-04-11 |