Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645928 | Heat insulation panels manufactured from modified polyisocyanurate foams | Morihiro Matsumoto, Noboru YOSHIDA, Satoshi Nakamura | 1997-07-08 |
| 5627220 | Process of the preparation of modified polyisocyanurate foams for heat insulation materials | Morihiro Matsumoto, Noboru YOSHIDA, Satoshi Nakamura | 1997-05-06 |
| 5621051 | Process for preparation of polyurethane-polycarbodiimide foam | Tatsuya Okutani, Yasuo Imashiro, Eiji Sasaki, Shiro Nagahata | 1997-04-15 |