Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878263 | Rubber process oil and production process thereof | Takashi Kaimai, Yoshiyuki Morishima | 2005-04-12 |
| 6248929 | Rubber process oil and production process thereof | Takashi Kaimai, Yoshiyuki Morishima | 2001-06-19 |