Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7678855 | Rubber composition | — | 2010-03-16 |
| 6576680 | Reclaimed rubber and process for producing the same | Jingo Shirasaka, Setsuo Akiyama | 2003-06-10 |
| 6335377 | Reclaimed rubber and process for reclaiming vulcanized rubber | Ryuji Izumoto | 2002-01-01 |