Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10633470 | Method of producing a conjugated diene polymer, a modified conjugated diene polymer, and a vinyl cis-polybutadiene composition | Koji Shiba, Masato Murakami, Naomi Okamoto, Mitsuharu Anbe, Masahiro Tanaka | 2020-04-28 |
| 10508163 | Conjugated diene polymer and modified conjugated diene polymer produced using the same, rubber composition for tire, and rubber composition for rubber belt | Koji Shiba, Masato Murakami, Naomi Okamoto, Mitsuharu Anbe, Masahiro Tanaka | 2019-12-17 |
| 8304503 | Process for producing conjugated diene polymer | Koji Shiba, Masato Murakami | 2012-11-06 |
| 8084565 | Catalyst for polymerization of conjugated diene and method of polymerizing conjugated diene using the catalyst, rubber composition for tires, and rubber composition for golf balls | Masato Murakami, Naomi Okamoto, Mitsuharu Eikyuu, Kouji Ishiguchi | 2011-12-27 |
| 7868103 | Method for producing polybutadiene | Koji Shiba, Masato Murakami, Yuji Matsudaira | 2011-01-11 |
| 7799725 | Catalyst for polymerization of conjugated diene and method of polymerization conjugated diene using the catalyst, rubber composition for tires, and rubber composition for golf balls | Masato Murakami, Naomi Okamoto, Mitsuharu Eikyuu, Kouji Ishiguchi | 2010-09-21 |
| 6664347 | Polybutadiene and process for producing the same | Masato Murakami | 2003-12-16 |
| 6300450 | Conjugated diene compound polymerization catalyst process for the preparation of conjugated diene polymer in the presence thereof and polybutadiene thus prepared | Nobuhiro Tsujimoto, Koji Maeda, Masato Murakami, Yasumasa Iwamoto, Sakae Yuasa +3 more | 2001-10-09 |
| 6071845 | Catalyst for producing conjugated diene polymer | Nobuhiro Tsujimoto, Kei Tsukahara, Shigeru Ikai, Koji Imaoka, Yoshiyuki Kai +1 more | 2000-06-06 |
| 5981667 | Impact-resistant polystyrene resin composition | Yoshio Asakura, Takashi Wada, Keiichi Akahori, Nobuhiro Tsujimoto | 1999-11-09 |
| 5468822 | Polybutadiene composition and process for producing same | Nohiro Tsujimoto, Kenichi Hongyo, Yoshisuke Baba, Kazuhiro Akikawa | 1995-11-21 |
| 5346971 | Aqueous suspension polymerization of 1,3-butadiene to produce syndiotactic-1,2-polybutadiene | Kenichi Hongyo, Kazuhiro Akikawa | 1994-09-13 |
| 5243067 | Process of production of 3,4,3',4'-substituted biphenyl compound | Akinori Shiotani, Fumio Matsuo | 1993-09-07 |
| 5118782 | Thermotropic aromatic polyester which is melt-processable at low temperatures and exhibits liquid crystalline properties | Akinori Shiotani, Fumio Matsuo | 1992-06-02 |
| 4816523 | N-chydroxyphenyl)maleimide-isobutylene copolymer | Nobuhiro Tsujimoto, Jiro Hiromoto | 1989-03-28 |
| 4740561 | Process for the preparation of N-(hydroxyphenyl)malemide copolymer | Nobuhiro Tsujimoto, Jiro Hiromoto | 1988-04-26 |
| 4579920 | Polybutadiene having high 1,2 and cis-1,4 microstructure contents | Nobuhiro Tsujimoto, Norishige Kawaguchi, Tetuzi Nakazima | 1986-04-01 |