Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7714087 | Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereof | Junichi Imuta, Norio Kashiwa, Seiji Ota, Satoru Moriya, Tadahito Nobori | 2010-05-11 |
| 7393907 | Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereof | Junichi Imuta, Norio Kashiwa, Seiji Ota, Satoru Moriya, Tadahito Nobori | 2008-07-01 |
| 6936684 | Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compound | Tadahito Nobori, Masahiro Kouno, Toshiaki Suzuki, Shinji Kiyono, Yoshiho Sonobe +1 more | 2005-08-30 |
| 6762259 | Process for the production of living (co)polymers and use of the (co)polymers | Tadahito Nobori, Katsuhiko Funaki, Atsushi Shibahara, Makoto Suzuki, Hiromi Jouyama +8 more | 2004-07-13 |
| 6664365 | Process for producing poly(alkylene oxide) in the presence of a phosphazenium salt or compound | Tadahito Nobori, Masahiro Kouno, Toshiaki Suzuki, Shinji Kiyono, Yoshiho Sonobe +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 |
| 6469224 | Process for preparation of substituted aromatic compound | Tadahito Nobori, Setsuko Fujiyoshi, Isao Hara, Takaomi Hayashi, Atsushi Shibahara +2 more | 2002-10-22 |
| 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 |
| 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 |
| 6255537 | Process for preparing poly(alkylene oxide) | Takaomi Hayashi, Katsuhiko Funaki, Atsushi Shibahara, Isao Hara, Shinji Kiyono +2 more | 2001-07-03 |
| 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 |
| 6090980 | Preparation process of iminotris ( Dimethylamino) phosphorane | Tadahito Nobori, Takaomi Hayashi, Katsuhiko Funaki, Atsushi Shibahara, Isao Hara +2 more | 2000-07-18 |
| 6022945 | Process for production of propylene oxide/ethylene oxide block copolymers | Masahiro Kouno, Tadahito Nobori, Usaji Takaki | 2000-02-08 |
| 5990352 | Phosphazenium salt and preparation process thereof, and process for producing poly(alkylene oxide) | Tadahito Nobori, Masahiro Kouno, Toshiaki Suzuki, Shinji Kiyono, Yoshiho Sonobe +1 more | 1999-11-23 |
| 5952457 | Polymerization catalyst for alkylene oxide compound and production process of poly(alkylene oxide) | Masahiro Kouno, Tadahito Nobori, Usaji Takaki | 1999-09-14 |
| 5677409 | Syndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the wax | Norihide Inoue, Masahiro Kouno, Yoshiho Sonobe, Tetsunosuke Shiomura, Nobuhiro Hirayama | 1997-10-14 |
| 5658999 | Syndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the wax | Norihide Inoue, Masahiro Kouno, Yoshiho Sonobe, Tetsunosuke Shiomura, Nobuhiro Hirayama | 1997-08-19 |
| 5439994 | Method of polymerizing an olefin using a novel transition metal compound | Norihide Inoue, Tetsunosuke Shiomura, Masahiro Kouno, Yoshiho Sonobe | 1995-08-08 |
| 5359102 | Transition metal compound having two transition metal atoms in one molecule and method for polymerizing olefin by using the compound | Norihide Inoue, Tetsunosuke Shiomura, Masahiro Kouno, Yoshiho Sonobe | 1994-10-25 |
| 5219968 | Propylene copolymer | Tetsunosuke Shiomura, Tadashi Asanuma, Masashiro Kouno, Norihide Inoue, Satoshi Fukushima +3 more | 1993-06-15 |
| 4921933 | Aromatic polyamide molded article having storage modulus | Masanori Osawa, Kohei Shizuka, Masahiro Kouno, Akio Matsuyama, Hirotoshi Katsuoka | 1990-05-01 |
| 4795795 | Catalytic preparation of polyamide or polyamide-polymide with N,N'-dimethyl alkylene urea solvent | Masahiro Kouno, Masanori Osawa, Kohei Shizuka, Toshihiro Toyoda, Hiromi Nakano | 1989-01-03 |
| 4785069 | Preparation process of heat-resistant polymers from polycarboxylic acids or anhydrides in the presence of an alkali metal fluoride and quaternary onium salt | Masahiro Kouno, Akihiro Yamaguchi, Masanori Osawa, Kohei Shizuka, Hiromi Nakano | 1988-11-15 |
| 4736008 | Preparation process of heat-resistant polymers from polycarboxcylic acids and anhydrides in the presence of an alkali metal fluoride | Masahiro Kouno, Akihiro Yamaguchi, Masanori Osawa, Kohei Shizuka, Hiromi Nakano | 1988-04-05 |