Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688843 | Oil-absorbent composition, particulate oil absorber, oil-absorbent material, and oil-absorbent pack | Toru Inaoka, Yoshiyuki Onda, Toshio Tamura, Hideyuki Tahara | 1997-11-18 |
| 5641847 | Oil-absorbent polymer and use therefor | Yoshiyuki Hozumi, Toru Inaoka, Takakiyo Goto, Toru Uno, Kenji Rakutani | 1997-06-24 |