Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886851 | Polyacetal resin composition | Yukio Ikenaga | 1989-12-12 |
| 4730015 | Weather resistant polyacetal resin composition | Yukio Ikenaga, Kunio Suzuki | 1988-03-08 |
| 4661570 | Method of continuous polymerization | Shuichi Chino, Tsuyoshi Minamisawa, Masaaki Nakamura | 1987-04-28 |
| 4596847 | Polyacetal resin composition | Takuzo Kasuga, Yukio Ikenaga, Keizo Tanimura | 1986-06-24 |
| 4579935 | Method for manufacturing polymer or copolymer of trioxane | Takuzo Kasuga, Takeshi Asano, Yukio Ikenaga, Yasuyuki Takeda, Koichi Ichimura | 1986-04-01 |
| 4559380 | Polyacetal resin composition | Takuzo Kasuga, Yukio Ikenaga, Keizo Tanimura | 1985-12-17 |
| 4547565 | Method for manufacturing trioxane copolymer | Takuzo Kasuga, Takeshi Asano, Yukio Ikenaga, Yasuyuki Takeda, Koichi Ichimura | 1985-10-15 |
| 4418162 | Process for treating the surface of polyacetal resin | Takuzo Kasuga, Yukio Ikenaga | 1983-11-29 |