Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6936684 | Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compound | Tadahito Nobori, Masahiro Kouno, Toshiaki Suzuki, Kazumi Mizutani, Shinji Kiyono +1 more | 2005-08-30 |
| 6664365 | Process for producing poly(alkylene oxide) in the presence of a phosphazenium salt or compound | Tadahito Nobori, Masahiro Kouno, Toshiaki Suzuki, Kazumi Mizutani, Shinji Kiyono +1 more | 2003-12-16 |
| 6528599 | Method for preparing living polymer in the presence of phosphazenium salt | Tadahito Nobori, Atsushi Shibahara, Shinji Kiyono, Takaomi Hayashi, Katsuhiko Funaki +2 more | 2003-03-04 |
| 6444847 | Process for preparing phosphine oxides and process for purifying the same | Tadahito Nobori, Isao Hara, Katsuhiko Funaki, Takaomi Hayashi, Atsushi Shibahara +2 more | 2002-09-03 |
| 6310147 | Epoxy-resin composition and use thereof | Tatsuhiro Urakami, Kenichi Sugimoto, Takuo Tajima, Koutaro Suzuki, Keisuke Takuma +1 more | 2001-10-30 |
| 6303815 | Process for preparing phosphine oxides and process for purifying the same | Tadahito Nobori, Isao Hara, Katsuhiko Funaki, Takaomi Hayashi, Atsushi Shibahara +2 more | 2001-10-16 |
| 6297332 | Epoxy-resin composition and use thereof | Tatsuhiro Urakami, Kenichi Sugimoto, Keisuke Takuma, Tadahito Nobori | 2001-10-02 |
| 6255537 | Process for preparing poly(alkylene oxide) | Takaomi Hayashi, Katsuhiko Funaki, Atsushi Shibahara, Kazumi Mizutani, Isao Hara +2 more | 2001-07-03 |
| 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 |
| 6177593 | [Tris(dimethylamino)phosphonioamino]tris[tris(dimethylamino)phosphoranylide neamino]phosphonium dichloride and preparation process thereof | Tadahito Nobori, Takaomi Hayashi, Katsuhiko Funaki, Atsushi Shibahara, Isao Hara +2 more | 2001-01-23 |
| 6153794 | Phosphine sulfide, a manufacturing process therefor and use thereof | Katsuhiko Funaki, Isao Hara, Takaomi Hayashi, Shinji Kiyono, Atsushi Shibahara +2 more | 2000-11-28 |
| 6130346 | Process for preparing an organic compound from an oxirane-containing compound in the presence of a tris(triaminophosphoranylideneamino)phosphine oxide | Tadahito Nobori, Takaomi Hayashi, Isao Hara, Shinji Kiyono, Atsushi Shibahara +3 more | 2000-10-10 |
| 6090980 | Preparation process of iminotris ( Dimethylamino) phosphorane | Tadahito Nobori, Takaomi Hayashi, Katsuhiko Funaki, Atsushi Shibahara, Isao Hara +2 more | 2000-07-18 |
| 6077930 | Preparation process of polymer | Tadahito Nobori, Shinji Kiyono, Takaomi Hayashi | 2000-06-20 |
| 6063825 | Flexible polyurethane foam with high durability | Masahiro Isobe, Kazuhiko Ohkubo, Seijiro Sakai, Tadahito Nobori, Tsukuru Izukawa +1 more | 2000-05-16 |
| 6022945 | Process for production of propylene oxide/ethylene oxide block copolymers | Masahiro Kouno, Tadahito Nobori, Kazumi Mizutani | 2000-02-08 |
| 5990352 | Phosphazenium salt and preparation process thereof, and process for producing poly(alkylene oxide) | Tadahito Nobori, Masahiro Kouno, Toshiaki Suzuki, Kazumi Mizutani, Shinji Kiyono +1 more | 1999-11-23 |
| 5952457 | Polymerization catalyst for alkylene oxide compound and production process of poly(alkylene oxide) | Masahiro Kouno, Tadahito Nobori, Kazumi Mizutani | 1999-09-14 |
| 5206430 | Method for obtaining high-purity cinnamic acid | Hiroyuki Itoh, Yoshitsugu Kono, Ryoichi Taneda | 1993-04-27 |
| 5187283 | Process for the preparation of indigo compounds | Yoshihiro Yamamoto, Shinobu Aoki, Yoshihisa Inoue, Isao Hara | 1993-02-16 |
| 5179224 | Preparation process of cinnamate ester | Yoshihiro Yamamoto, Toshio Matsuhisa, Isamu Sudo, Shinobu Aoki | 1993-01-12 |
| 5112987 | Process for the preparation of indigo compounds | Yoshihiro Yamamoto, Shinobu Aoki, Isao Hara | 1992-05-12 |
| 4992556 | Process for the preparation of indigo compounds | Hiroharu Suzuki, Yoshihiro Yamamoto, Shinobu Aoki, Isao Hara | 1991-02-12 |
| 4973706 | Process for the preparation of indigo compounds | Yoshihiro Yamamoto, Shinobu Aoki, Isao Hara | 1990-11-27 |
| 4966977 | Process for the preparation of indigo compounds | Shinobu Aoki, Yoshihiro Yamamoto, Isao Hara | 1990-10-30 |