Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433033 | High-durability flexible polyurethane cold cure molded foam and process for producing the same | Masahiro Isobe, Kazuhiko Ohkubo | 2002-08-13 |
| 6063825 | Flexible polyurethane foam with high durability | Masahiro Isobe, Kazuhiko Ohkubo, Usaji Takaki, Tadahito Nobori, Tsukuru Izukawa +1 more | 2000-05-16 |
| 5777175 | Preparation of polyoxyalkylene polyols, polymer polyols and flexible polyurethane foams | Kazuhiko Ohkubo, Tomoki Tsutsui, Yoshitsugu Sakaki, Tamotsu Kunihiro, Ariko Nishikawa +3 more | 1998-07-07 |
| 5674920 | Flexible high resilience polyurethane foam | Masashi Obata, Kaoru Ueno | 1997-10-07 |
| 5478866 | Flexible polyurethane foam and process for preparing same | Masashi Obata, Kaoru Ueno | 1995-12-26 |