Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5444100 | Method for the mixing of low-boiling foaming agent | Minoru Takezawa, Shigeo Yatsu, Akihiro Morita, Yuji Kishi | 1995-08-22 |
| 5234967 | Rigid foamed polyurethane and process for the manufacture of the same | Minoru Takezawa, Shigeo Yatsu, Akihiro Morita, Yuji Kishi | 1993-08-10 |