Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6524985 | Catalyst components for polymerization of olefins and use thereof | Tomohiko Takahama | 2003-02-25 |
| 6509426 | Transition metal compound, catalyst component for olefin polymerization and process for the preparation of &agr;-olefin polymer | Taku Kato, Sugio Nishimura | 2003-01-21 |
| 6469100 | Propylene block copolymer and resin composition | Toru Suzuki, Hironari Sano, Motohiro Seki, Takao Tayano, Hiroshi Nakano | 2002-10-22 |
| 6344530 | Process for producing &agr;-olefin polymers | Naoshi Iwama, Satoshi Hayakawa, Hisashi Shoda, Masami Kashimoto, Taku Kato +1 more | 2002-02-05 |
| 6340652 | Catalysts for polymerization of &agr;-olefins, process for producing &agr;-olefin polymers, novel transition metal compounds and catalyst components for polymerization of &agr;-olefin | Naoshi Iwama, Eiji Isobe, Toru Suzuki, Yasuo Maruyama, Satoshi Hayakawa +7 more | 2002-01-22 |
| 6255515 | Processes for producing silicon- or germanium-containing organic compound, transition metal complex, catalyst for polymerization of .alpha.-olefin and .alpha.-olefin polymer | Taku Kato, Kazuya Okano, Yutaka Ohtani, Hirohisa Kitagawa, Sugio Nishimura | 2001-07-03 |
| 6252097 | Transition metal compounds | Naoshi Iwama, Eiji Isobe, Toru Suzuki, Yasuo Maruyama, Satoshi Hayakawa +7 more | 2001-06-26 |
| 6218558 | Transition metal compound, catalyst component for olefin polymerization and process for the preparation of .alpha.-olefin polymer | Taku Kato, Sugio Nishimura | 2001-04-17 |
| 6143911 | Catalyst useful for the polymerization of olefins | Takashi Fujita, Hideshi Uchino | 2000-11-07 |
| 6084043 | Catalyst component for polymerization of alpha-olefins and process for producing alpha-olefin polymers using the same | Hideshi Uchino, Kaori Imaeda, Eiji Taniyama, Naoshi Iwama | 2000-07-04 |
| 6080827 | Ethylene polymer | Kiyotoshi Fujioka, Toshiyuki Tajiri, Eiji Isobe, Kazuhisa Tachi | 2000-06-27 |
| 5942459 | Catalysts for olefin polymerization and a process for preparing olefin polymers therewith | Kazuhiro Yamamoto | 1999-08-24 |
| 5648440 | Catalyst components for polymerization of olefins and use thereof | Tomohiko Takahama | 1997-07-15 |
| 5623022 | Process for producing propylene block copolymers | Takao Tayano | 1997-04-22 |
| 5594081 | Catalyst component for the polymerization of .alpha.-olefins and a process for preparing .alpha.-olefin polymers with use of same | Hideshi Uchino, June Endo, Tomohiko Takahama, Taku Kato, Eiji Taniyama +1 more | 1997-01-14 |
| 5561093 | Catalyst useful for the polymerization of olefins | Takashi Fujita, Hideshi Uchino | 1996-10-01 |
| 5510502 | Catalyst component for use in the polymerization of .alpha.-olefins and process for producing .alpha.-olefin polymers using the same | Tomohiko Takahama | 1996-04-23 |
| 5489659 | Catalyst component for use in the polymerization of .alpha.-olefins and process for producing .alpha.-olefin polymers using the same | Toru Wada, Tomohiko Takahama | 1996-02-06 |
| 5486572 | Process for preparing propylene block copolymers | Takashi Fujita | 1996-01-23 |
| 5468781 | Polypropylene resin expanded particles | Toshihiro Gotoh | 1995-11-21 |
| 5449650 | Catalyst components for polymerization of olefins and use thereof | Tomohiko Takahama | 1995-09-12 |
| 5444125 | Aminated olefin polymers | Masayuki Tomita, Hideshi Uchino, Takashi Fujita, Mitsutoshi Aritomi | 1995-08-22 |
| 5385877 | Production of alpha-olefin polymers | Takashi Fujita, Hideshi Uchino | 1995-01-31 |
| 5346925 | Method for producing .alpha.-olefin polymers | Takashi Fujita, Kazuyo Kuwaba | 1994-09-13 |
| 5331054 | Propylene copolymer composition | Takashi Fujita, Hajime Mizuno, Hideshi Uchino | 1994-07-19 |