Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9379402 | Anion conducting electrolyte membrane and manufacturing method thereof | Hiroshi Koshikawa, Tetsuya Yamaki, Masaharu Asano, Yasunari Maekawa, Hideyuki Shishitani +5 more | 2016-06-28 |
| 5240964 | Process for producing urethane foam with high density skin | Hirokazu Ohmura, Satoshi Narumi | 1993-08-31 |
| 5141684 | Method of preparing urethane foam articles | Satoshi Narumi | 1992-08-25 |
| 5139713 | Method of preparing urethane foam articles | Satoshi Narumi | 1992-08-18 |