Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10494469 | Composition for polyurethane foam, preparation for polyurethane foam, polymer polyol preparation for polyurethane foam, production processes therefor, and polyurethane foam | Yusuke Maruoka, Atsushi Miyata, Kazuhiko Okubo, Toru Hiraide, Shinsuke Matsumoto | 2019-12-03 |
| 6410676 | Method for producing polyoxyalkylene polyol and derivatives thereof | Satoshi Yamasaki, Yasunori Hara, Tamotsu Kunihiro, Fumio Yamazaki, Mikio Matsufuji +5 more | 2002-06-25 |
| 6207794 | Polyoxyalkylene polyols, derivatives thereof, and process for producing the polyoxyalkylene polyols | Satoshi Yamasaki, Yasunori Hara, Satoshi Tamura, Fumio Yamazaki, Hitoshi Watanabe +6 more | 2001-03-27 |
| 6156864 | Preparation of flexible polyurethane foams | Kazuhiko Ohkubo, Tomoki Tsutsui, Yoshitsugu Sakaki, Tamotsu Kunihiro, Ariko Nishikawa | 2000-12-05 |
| 6117937 | Polymer polyol and flame retardant polyurethane resin and foam prepared therefrom | Shinsuke Matsumoto, Ariko Nishikawa, Masahiro Isobe, Kazuhiko Okubo | 2000-09-12 |
| 6063825 | Flexible polyurethane foam with high durability | Masahiro Isobe, Kazuhiko Ohkubo, Seijiro Sakai, Usaji Takaki, Tadahito Nobori +1 more | 2000-05-16 |
| 5916994 | Polymer polyols and preparation thereof | Tamotsu Kunihiro, Ariko Nishikawa | 1999-06-29 |
| 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 |
| 5545712 | Preparation process for polyoxyalkylene polyol | Tomoki Tsutsui, Kazuhiko Ohkubo, Yoshitsugu Sakaki | 1996-08-13 |
| 5468840 | Preparation process of polyoxyalkylene polyols and process of alkylene oxide recovery | Tomoki Tsutsui, Kazuhiko Ohkubo, Yoshitsugu Sakaki | 1995-11-21 |
| 5416123 | Polyurethane foam prepared from high concentration-low viscosity polymer-polyol | Ariko Nishikawa, Tamotsu Kunihiro, Kiyotsugu Asai | 1995-05-16 |
| 5397810 | Polyol, polyurethane resin and utilization thereof | Satoshi Ozaki, Haruhiko Kawakami, Takayoshi Masuda, Masayuki Kimura, Toshio Nozawa +1 more | 1995-03-14 |
| 5324774 | Polymer-polyol, process for preparation thereof and uses thereof | Ariko Nishikawa, Tamotsu Kunihiro, Kiyotsugu Asai | 1994-06-28 |
| 5246978 | Polyol and rigid polyurethane foam | Satoshi Ozaki, Haruhiko Kawakami, Takayoshi Masuda, Toshio Nozawa | 1993-09-21 |
| 5198475 | Polyol and utilization thereof | Masayuki Kimura, Satoshi Ozaki, Haruhiko Kawakami, Takayoshi Masuda, Mitsugu Kita | 1993-03-30 |
| 5107068 | Polyurethane resin and utilization thereof | Satoshi Ozaki, Haruhiko Kawakami, Takayoshi Masuda, Seiji Esaki, Masayuki Kimura +1 more | 1992-04-21 |
| 4987198 | Thermosetting resin composition for injection molding | Shuhei Ikado, Toshiyuki Enomoto | 1991-01-22 |