Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10584212 | Polyamide-imide, raw material salt of polyamide-imide, and production method thereof | Yumeto Fukubayashi, Makoto Nakai, Akira Shigeta | 2020-03-10 |
| 10501415 | Method for producing bisimide dicarboxylic acid | Yumeto Fukubayashi, Makoto Nakai, Akira Shigeta | 2019-12-10 |