Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4596847 | Polyacetal resin composition | Takuzo Kasuga, Yukio Ikenaga, Masami Yamawaki | 1986-06-24 |
| 4559380 | Polyacetal resin composition | Takuzo Kasuga, Yukio Ikenaga, Masami Yamawaki | 1985-12-17 |