Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368723 | Method of and apparatus of producing low boiling point hydrocarbon oil from waste plastics or waste rubbers | Toshiki Takahashi | 1994-11-29 |
| 5344881 | Rubber compositions and vulcanized rubber compositions | Keisaku Yamamoto, Masahiro Fukuyama, Noriyasu Yasuda | 1994-09-06 |
| 5288810 | Vulcanized rubber composition and rubber vibration insulator | Keisaku Yamamoto, Kiyosi Ikeda, Eiichi Usuda | 1994-02-22 |