Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6613128 | Twin screw extruder, method of making aromatic polycarbonate using a twin screw extruder, and method of removing volatiles from an aromatic polycarbonate melt | Masasi Simonaru, Toru Sawaki, Katsushi Sasaki, Kazuki Hatono | 2003-09-02 |
| 6579156 | Method of working hub ring of wheel bearing assembly | Keiichi Sugino, Yutaka Yamauchi, Nobuhiko Tsuji | 2003-06-17 |