Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7232608 | Conductive material and manufacturing method thereof | Masahito Fujihara, Kazuya Edamura | 2007-06-19 |
| 6936684 | Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compound | Tadahito Nobori, Toshiaki Suzuki, Kazumi Mizutani, Shinji Kiyono, Yoshiho Sonobe +1 more | 2005-08-30 |
| 6664365 | Process for producing poly(alkylene oxide) in the presence of a phosphazenium salt or compound | Tadahito Nobori, Toshiaki Suzuki, Kazumi Mizutani, Shinji Kiyono, Yoshiho Sonobe +1 more | 2003-12-16 |
| 6022945 | Process for production of propylene oxide/ethylene oxide block copolymers | Tadahito Nobori, Kazumi Mizutani, Usaji Takaki | 2000-02-08 |
| 5990352 | Phosphazenium salt and preparation process thereof, and process for producing poly(alkylene oxide) | Tadahito Nobori, Toshiaki Suzuki, Kazumi Mizutani, Shinji Kiyono, Yoshiho Sonobe +1 more | 1999-11-23 |
| 5952457 | Polymerization catalyst for alkylene oxide compound and production process of poly(alkylene oxide) | Tadahito Nobori, Kazumi Mizutani, 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, Yoshiho Sonobe, Kazumi Mizutani, Tetsunosuke Shiomura, Nobuhiro Hirayama | 1997-10-14 |
| 5673906 | Sheet post-treating apparatus | Kimihiko Furuya, Misao Kobayashi, Hideki Mimura, Takehiko Saitou | 1997-10-07 |
| 5658999 | Syndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the wax | Norihide Inoue, Yoshiho Sonobe, Kazumi Mizutani, Tetsunosuke Shiomura, Nobuhiro Hirayama | 1997-08-19 |
| 5652315 | Method for preparing ethylene copolymer | Norihide Inoue, Tetsunosuke Shiomura | 1997-07-29 |
| 5634632 | Sheet post-treating apparatus | Kimihiko Furuya, Misao Kobayashi, Hideki Mimura, Takehiko Saitou | 1997-06-03 |
| 5580038 | Sheet post-treating apparatus | Kimihiko Furuya, Misao Kobayashi, Hideki Mimura, Takehiko Saitou | 1996-12-03 |
| 5439994 | Method of polymerizing an olefin using a novel transition metal compound | Norihide Inoue, Tetsunosuke Shiomura, Yoshiho Sonobe, Kazumi Mizutani | 1995-08-08 |
| 5428121 | Method for preparing syndiotactic polypropylene | Tadashi Asanuma, Tsutomu Iwatani, Ryuichi Sugimoto, Norihide Inoue, Tetsunosuke Shiomura | 1995-06-27 |
| 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, Yoshiho Sonobe, Kazumi Mizutani | 1994-10-25 |
| 4921933 | Aromatic polyamide molded article having storage modulus | Masanori Osawa, Kohei Shizuka, Akio Matsuyama, Hirotoshi Katsuoka, Kazumi Mizutani | 1990-05-01 |
| 4795795 | Catalytic preparation of polyamide or polyamide-polymide with N,N'-dimethyl alkylene urea solvent | Kazumi Mizutani, 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 | Akihiro Yamaguchi, Masanori Osawa, Kohei Shizuka, Hiromi Nakano, Kazumi Mizutani | 1988-11-15 |
| 4758649 | Heat resistant organic synthetic fibers and process for producing the same | Shoji Asano, Akio Ohmory, Akitsugu Akiyama, Masanori Osawa, Kohei Shizuka | 1988-07-19 |
| 4736008 | Preparation process of heat-resistant polymers from polycarboxcylic acids and anhydrides in the presence of an alkali metal fluoride | Akihiro Yamaguchi, Masanori Osawa, Kohei Shizuka, Hiromi Nakano, Kazumi Mizutani | 1988-04-05 |
| 4282114 | Catalyst for polymerizing .alpha.-olefins | Akira Ito, Heizo Sasaki, Masanori Osawa, Kenji Iwata | 1981-08-04 |