Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8236869 | Polyether polyol, rigid polyurethane foam and processes for production thereof | Atsushi Miyata, Tomoki Tsutsui, Nobuhito Koga, Shinsuke Matsumoto | 2012-08-07 |
| 6433033 | High-durability flexible polyurethane cold cure molded foam and process for producing the same | Masahiro Isobe, Seijiro Sakai | 2002-08-13 |
| 6410676 | Method for producing polyoxyalkylene polyol and derivatives thereof | Satoshi Yamasaki, Yasunori Hara, Tamotsu Kunihiro, Fumio Yamazaki, Mikio Matsufuji +5 more | 2002-06-25 |
| 6156864 | Preparation of flexible polyurethane foams | Tomoki Tsutsui, Yoshitsugu Sakaki, Tamotsu Kunihiro, Ariko Nishikawa, Tsukuru Izukawa | 2000-12-05 |
| 6063825 | Flexible polyurethane foam with high durability | Masahiro Isobe, Seijiro Sakai, Usaji Takaki, Tadahito Nobori, Tsukuru Izukawa +1 more | 2000-05-16 |
| 5995379 | Stacked module and substrate therefore | Yoshitaka Kyougoku | 1999-11-30 |
| 5777175 | Preparation of polyoxyalkylene polyols, polymer polyols and flexible polyurethane foams | Tomoki Tsutsui, Yoshitsugu Sakaki, Tamotsu Kunihiro, Ariko Nishikawa, Tsukuru Izukawa +3 more | 1998-07-07 |
| 5545712 | Preparation process for polyoxyalkylene polyol | Tomoki Tsutsui, Tsukuru Izukawa, Yoshitsugu Sakaki | 1996-08-13 |
| 5468840 | Preparation process of polyoxyalkylene polyols and process of alkylene oxide recovery | Tomoki Tsutsui, Tsukuru Izukawa, Yoshitsugu Sakaki | 1995-11-21 |