Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448356 | Ethylene-&agr;-olefin copolymer | Yoshiyuki Ishihama, Yukitaka Goto | 2002-09-10 |
| 6444763 | Polymerization of olefins | Takehiro Sagae | 2002-09-03 |
| 6376416 | Olefin polymerization catalyst and process for producing olefin polymer | Katsumi Hirakawa | 2002-04-23 |
| 6048817 | Polymerization of olefins | Takehiro Sagae | 2000-04-11 |
| 5973084 | Method for polymerizing olefins using a novel catalyst | Yoshinori Suga, Yasuo Maruyama, Eiji Isobe, Yoshiyuki Ishihama, Takehiro Sagae | 1999-10-26 |
| 5928982 | Catalyst for polymerizing an olefin and method for polymerizing the olefin | Yoshinori Suga, Yasuo Maruyama, Eiji Isobe, Yoshiyuki Ishihama, Takehiro Sagae | 1999-07-27 |
| 5547722 | Ethylene polymer and fuel tank comprising the same | Nobuo Enokido, Kiyotoshi Fujioka, Nobuyuki Shimizu, Motonori Ueda | 1996-08-20 |
| 5428110 | Process for producing propylene copolymer | Hideshige Kato, Hidehito Kato, Kouzou Kitayama | 1995-06-27 |
| 4978722 | Method for producing a propylene-.alpha.-olefin block copolymer | Nobuaki Goko, Hideshige Kato, Yukimasa MATSUDA | 1990-12-18 |
| 4808667 | Method for producing an .alpha.-olefin block copolymer | Nobuaki Goko, Yasuhiro Nishihara | 1989-02-28 |
| 4534953 | Process for preparing solid titanium trichloride useful for the polymerization of an .alpha.-olefin | Nobuaki Goko | 1985-08-13 |
| 4492787 | Process for continuously producing propylene-ethylene block copolymer | Ryokichi Takashima, Nobuaki Goko, Yasuhiro Nishihara, Hidetoshi Yamamoto | 1985-01-08 |
| 4357452 | Process for polymerizing propylene | Genjiro Kakogawa, Masayoshi Hasuo, Yoshinori Suga, Hisashi Kitada | 1982-11-02 |
| 4258161 | Process for polymerizing propylene | Genjiro Kakogawa, Masayoshi Hasuo, Yoshinori Suga, Hisashi Kitada | 1981-03-24 |