Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9394213 | Method for producing α-olefin | Yasushi Shiraki, Takuji Okamoto | 2016-07-19 |
| 7176266 | Catalyst for vinyl compound polymerization and process for producing vinyl polymer | Haruhito Sato, Masami Watanabe | 2007-02-13 |
| 6841693 | Transition metal compound, olefin polymerization catalyst, and method of polymerizing olefin | Masami Watanabe, Haruhito Sato, Shinji Tanaka, Takao Tamura | 2005-01-11 |
| 6835788 | Catalyst for vinyl compound polymerization and process for producing vinyl polymer | Haruhito Sato, Masami Watanabe | 2004-12-28 |
| 6787499 | Catalyst for the production of &agr;-olefin and &agr;-olefin production method | Shinji Tanaka, Yasushi Shiraki, Takao Tamura, Haruhito Sato, Masami Watanabe | 2004-09-07 |
| 6630551 | Catalyst for olefin polymerization and process for producing olefin polymer with the catalyst | Fumio Okuda, Haruhito Sato | 2003-10-07 |
| 6555633 | Catalysts for &agr;-olefin production and processes for producing &agr;-olefin | Shinji Tanaka, Yasushi Shiraki, Takao Tamura, Haruhito Sato, Masami Watanabe | 2003-04-29 |
| 6395846 | Catalysts for olefin polymer production | Haruhito Sato | 2002-05-28 |
| 6093768 | Syndiotactic styrene resin, thermoplastic resin and rubber | Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada +1 more | 2000-07-25 |
| 6087435 | Composition of styrene resin, thermoplastic resin and rubber particles | Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada +1 more | 2000-07-11 |
| 6051655 | Styrene-based resin composition with thermoplastic resin | Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada +1 more | 2000-04-18 |
| 6046275 | Styrene resin with rubber polymer particles | Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada +1 more | 2000-04-04 |
| 6043307 | Styrene-based resin composition | Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada +1 more | 2000-03-28 |
| 6013726 | Composition of styrene resin, thermoplastic resin and rubber | Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada +1 more | 2000-01-11 |
| 6008293 | Syndiotactic polystyrene and polycarbonate resin compositions | Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada +1 more | 1999-12-28 |
| 5990217 | Styrene based resin composition | Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada +1 more | 1999-11-23 |
| 5891951 | Styrene-based resin composition | Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada +1 more | 1999-04-06 |
| 5670587 | Catalyst for producing aromatic vinyl compound-based polymer composition and process for producing aromatic vinyl compound-based polymer composition using same | Mizutomo Takeuchi, Hajime Shouzaki, Norio Tomotsu | 1997-09-23 |
| RE35289 | Process for production of styrene polymers | Nobuhide Ishihara, Michitake Uoi | 1996-07-02 |
| 5502133 | Syndiotactic styrene polymers | Nobuhide Ishihara, Michitake Uoi | 1996-03-26 |
| 5430001 | Process for producing a styrene polymer and a catalyst for use therein | Norio Tomotsu, Mizutomo Takeuchi | 1995-07-04 |
| 5426176 | Process for purification of styrenic polymer | Hideo Teshima | 1995-06-20 |
| 5420240 | Process for purification of syndiotactic styrene polymer | Hideo Teshima | 1995-05-30 |
| 5395890 | Styrene-based resin composition | Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada +1 more | 1995-03-07 |
| 5391671 | Styrene copolymer and process for production thereof | Toshinori Tazaki | 1995-02-21 |