Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8106130 | Modified conjugated diene polymer and process for producing thereof | Ryoko Fukuoka, Haruo Yamada | 2012-01-31 |
| 7915349 | Conjugated diene polymer and process for production thereof | Haruo Yamada, Keiichi Toda | 2011-03-29 |