Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314041 | Continuous multi-zone graft polymerization | Yuji Yamamoto | 1982-02-02 |
| 4268638 | Process for the preparation of rubber-modified thermoplastic resins | Yuji Yamamoto, Hisao Nagai | 1981-05-19 |