Issued Patents All Time
Showing 51–75 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700750 | Process for polymerization of alpha-olefins | Akinori Toyota, Norio Kashiwa | 1997-12-23 |
| 5700749 | Process for polymerizing olefins | Akinori Toyota, Norio Kashiwa | 1997-12-23 |
| 5698751 | Branched polyene compounds and production thereof | Tatsuyoshi Ishida, Masaaki Yasuda, Hitoshi Ohnishi, Noriaki Kihara, Toshihiro Sagane | 1997-12-16 |
| 5698651 | Ethylene copolymer rubber, vulcanizable rubber composition containing the copolymer rubber, and process for preparing the copolymer rubber | Masaaki Kawasaki, Tetsuo Tojo, Takashi Hakuta | 1997-12-16 |
| 5696214 | Process for preparing ethylene-.alpha.-olefin-nonconjugated polyene random copolymer | Toshihiro Sagane, Masaaki Kawasaki, Keiji Okada, Hidenari Nakahama, Tetsuo Tojo | 1997-12-09 |
| 5677408 | Propylene elastomer and process for preparation thereof | Takashi Ueda, Akira Mizuno, Masaaki Kawasaki, Daisuke Fukuoka, Yoshihisa Kiso +3 more | 1997-10-14 |
| 5674945 | Ethylene copolymer composition | Mamoru Takahashi, Akira Todo, Seiichi Ikeyama, Shinya Matsunaga, Norio Kaneshige | 1997-10-07 |
| 5663236 | Ethylene copolymer composition | Mamoru Takahashi, Seiichi Ikeyama, Akira Todo | 1997-09-02 |
| 5654248 | Catalyst for polymerizing alpha-olefins and process for polymerization | Mamoru Kioka, Akinori Toyota, Norio Kashiwa | 1997-08-05 |
| 5641843 | Process for polymerization of alpha-olefins | Akinori Toyota, Norio Kashiwa | 1997-06-24 |
| 5639842 | Ethylene random copolymers | Ken Yoshitsugu, Akinori Toyota | 1997-06-17 |
| 5610254 | Ethylene-.alpha.-olefin-nonconjugated polyene random copolymer, rubber composition, and process for preparing the random copolymer | Toshihiro Sagane, Masaaki Kawasaki, Keiji Okada, Tetsuo Tojo, Tatsuya Tanizaki | 1997-03-11 |
| 5605969 | Method for the preparation of ethylene polymer composition | Takashi Ueda | 1997-02-25 |
| 5594071 | Ethylene copolymer composition | Mamoru Takahashi, Akira Todo, Seiichi Ikeyama, Shinya Matsunaga, Norio Kaneshige | 1997-01-14 |
| 5543377 | Olefin polymerization catalysts and methods of olefin polymerization | Ken Yoshitsugu | 1996-08-06 |
| 5539069 | Olefin polymerization catalysts and methods of olefin polymerization | Ken Yoshitsugu | 1996-07-23 |
| 5525689 | Process for preparing ethylene copolymers | Ken Yoshitsugu, Akinori Toyota | 1996-06-11 |
| 5519091 | Method for the preparation of ethylene polymer compositions | Takashi Ueda | 1996-05-21 |
| 5464905 | Ethylene/.alpha.-olefin copolymer composition, graft modified ethylene/.alpha.-olefin copolymer composition, ethylene copolymer composition, and multi-stage olefin polymerization process | Ken Yoshitsugu, Mamoru Takahashi, Akira Todo, Seiji Ohta, Hajime Inagaki | 1995-11-07 |
| 5459217 | Ethylene/alpha-olefin copolymer | Akira Todo, Mamoru Takahashi, Seiichi Ikeyama | 1995-10-17 |
| 5455316 | Olefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerization | Ken Yoshitsugu, Kunio Yamamoto | 1995-10-03 |
| 5374700 | Ethylene copolymer | Ken Yoshitsugu, Takashi Ueda | 1994-12-20 |
| 5371146 | Ethylene copolymer composition | Mamoru Takahashi, Akira Todo, Shin-ya Matsunaga | 1994-12-06 |
| 5340786 | Olefin polymerization catalyst and process for the polymerization of olefins | Kazunori Okawa, Akinori Toyota | 1994-08-23 |
| 5336746 | Propylene random copolymers and processes for preparing same | Akinori Toyota | 1994-08-09 |