Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957964 | Thermoplastic resin composition | Ryozo Okumura, Eiichi Terada | 1990-09-18 |
| 4732924 | Method for producing vinyl aromatic resin composition | Eiichi Terada, Hiroshi Kurokawa | 1988-03-22 |