Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458916 | Production process and production apparatus for polybutylene terephthalate | Shuji Yamaguchi, Susumu Harada, Norifumi Maeda | 2002-10-01 |
| 6359106 | Production process and production apparatus for polybutylene terephthalate | Susumu Harada, Norifumi Maeda, Shuji Yamaguchi | 2002-03-19 |