Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844987 | Polyamide molding material and hollow-molded body obtained therefrom | Masahiko Hirose, Takatoshi Kuratsuji, Kouichi Sakai | 1989-07-04 |
| 4659534 | Production of thin-walled cylindrical body of aromatic polyester | Seiichi Yamashiro | 1987-04-21 |