Issued Patents All Time
Showing 26–50 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654248 | Catalyst for polymerizing alpha-olefins and process for polymerization | Akinori Toyota, Norio Kashiwa, Toshiyuki Tsutsui | 1997-08-05 |
| 5652303 | Process for polymerizing olefins and catalyst for polymerizing olefins | Naoshi Ishimaru, Akinori Toyota | 1997-07-29 |
| 5623033 | Titanium catalyst component for ethylene polymerization, ethylene polymerization catalyst, and process for ethylene polymerization using the same | Tsuneo Yashiki | 1997-04-22 |
| 5618886 | Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymers | Tetsunori Shinozaki | 1997-04-08 |
| 5595827 | Polypropylene resin composition and the use of the same | Masaya Yamada, Michio Toriumi, Tetsunori Shinozaki | 1997-01-21 |
| 5583188 | Process for producing an olefin polymer or copolymer and catalyst composition therefor | Norio Kashiwa, Yoshihisa Ushida | 1996-12-10 |
| 5579913 | Polypropylene resin composition and the use of the same | Masaya Yamada, Yasuo Futami, Tetsunori Shinozaki | 1996-12-03 |
| 5536773 | Polypropylene resin composition and the use of the same | Masaya Yamada, Michio Toriumi, Yasuo Futami, Tetsunori Shinozaki | 1996-07-16 |
| 5523358 | Modified polyolefin particles and process for preparation thereof | Toshiyuki Hirose, Hajime Inagaki, Akinori Toyota, Norio Kashiwa | 1996-06-04 |
| 5478890 | Olefin polymer composition | Tetsunori Shinozaki | 1995-12-26 |
| 5476903 | Prepolymerized catalyst, catalyst for olefin polymerization, polymerization process of olefin, and olefin polymer | Tetsunori Shinozaki | 1995-12-19 |
| 5468703 | Titanium catalyst component for ethylene polymerization, ethylene polymerization catalyst, and process for ethylene polymerization using the same | Tsuneo Yashiki | 1995-11-21 |
| 5438110 | Process for polymerizing olefins and polymerization catalyst therefor | Naoshi Ishimaru, Akinori Toyota | 1995-08-01 |
| 5438100 | Olefin polymer composition | Tetsunori Shinozaki | 1995-08-01 |
| 5324805 | Ethylene/pentene-1 copolymer and ethylene/pentene-1 copolymer composition | Takashi Ueda, Masaya Yamada, Masaki Kohyama, Seiichi Ikeyama, Yoshinori Akana +4 more | 1994-06-28 |
| 5300581 | Process for producing thermoplastic elastomer | Yasuhiko Otawa, Katsuo Okamoto, Takashi Ueda | 1994-04-05 |
| 5292811 | Process for preparing thermoplastic elastomers | Kazuhiko Murata, Shizuo Shimizu, Akinori Toyota | 1994-03-08 |
| 5290896 | Ethylene/pentene-1 copolymer, and ethylene/pentene-1 copolymer composition | Tsuneo Yashiki, Takashi Ueda, Masaki Kohyama, Masaya Yamada, Seiichi Ikeyama +4 more | 1994-03-01 |
| 5266636 | Process for producing polypropylene and stretched polypropylene film | Masaya Yamada, Masanobu Ishiyama, Masao Nakano, Akinori Toyota | 1993-11-30 |
| 5247031 | Olefin polymerization catalyst component, process for production thereof, olefin polymerization catalyst, and process for polymerizing olefins | Masao Nakano, Akinori Toyota | 1993-09-21 |
| 5247032 | Solid catalyst components for olefin polymerization and processes for the polymerization of olefin using same | Masao Nakano, Takashi Ueda | 1993-09-21 |
| 5206199 | Catalyst for polymerizing an olefin and process for polymerizing an olefin | Norio Kashiwa, Toshiyuki Tsutsui, Akinori Toyota | 1993-04-27 |
| 5192731 | Titanium catalyst components, process for preparing same, catalysts containing same for preparing ethylene polymers and process for preparing said ethylene polymers | Kazumitsu Kawakita, Akinori Toyota | 1993-03-09 |
| 5171799 | Olefin polymerization catalyst component, olefin polymerization catalyst and process for the polymerization of olefins | Toshiyuki Tsutsui, Akinori Toyota | 1992-12-15 |
| 5159021 | Process for producing polypropylene and stretched polypropylene film | Masaya Yamada, Masanobu Ishiyama, Masao Nakano, Akinori Toyota | 1992-10-27 |