Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4939020 | Core member for fabrication of shaped plastic | Katsuhiko Takashima | 1990-07-03 |
| 4487642 | Method of producing moisture-permeable artificial leather | Katsuhiko Takashima, Koichi Taniguchi | 1984-12-11 |