Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4579935 | Method for manufacturing polymer or copolymer of trioxane | Takuzo Kasuga, Takeshi Asano, Yukio Ikenaga, Masami Yamawaki, Yasuyuki Takeda | 1986-04-01 |
| 4547565 | Method for manufacturing trioxane copolymer | Takuzo Kasuga, Takeshi Asano, Yukio Ikenaga, Masami Yamawaki, Yasuyuki Takeda | 1985-10-15 |