Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5895827 | Process of recovering useful material through cracking of plastic material | Toshiki Takahashi, Tatsuto Fukushima, Yoshio Tanimoto | 1999-04-20 |
| 5686055 | Process for recovering phthalic anhydride and hydrogen chloride from plastic materials | Toshiki Takahashi, Tatsuto Fukushima, Yoshio Tanimoto | 1997-11-11 |
| 5414169 | Method of obtaining hydrocarbon oil from waste plastic material or waste rubber material and apparatus for carrying out the method | Toshiki Takahashi, Yoshio Tanimoto, Tatsuto Fukushima | 1995-05-09 |