Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5587447 | Copolyamide production method | Masahiro Harada | 1996-12-24 |
| 5504185 | Process for production of polyamides, polyamides produced by said process and polyamide film or sheet | Tsukasa Toki, Masahiro Harada | 1996-04-02 |