Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397475 | Method for producing flame retardant polycarbonate resin composition pellet | Takafumi Yoshino, Hiroyuki Tajima | 2025-08-26 |
| 8936454 | Resin extrusion die and extrusion method using the same | — | 2015-01-20 |
| 6080827 | Ethylene polymer | Kiyotoshi Fujioka, Eiji Isobe, Kazuhisa Tachi, Toshihiko Sugano | 2000-06-27 |
| 5213677 | Spinning pitch for carbon fibers and process for its production | Iwao Yamamoto, Ryuichi Hara, Kazuo Shirosaki, Akihiko Yoshiya | 1993-05-25 |