Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11643485 | Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst | Yoshiyuki Ishihama, Ryousuke Asakawa, Tetsurou Fukuda, Kazuya Sakata, Masaru Aoki +2 more | 2023-05-09 |
| 11485808 | Metallocene compound, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the same, and method for producing olefin polymer using catalyst for olefin polymerization | Yoshiyuki Ishihama | 2022-11-01 |
| 10995167 | Metallocene compound, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the same, and method for producing olefin polymer using catalyst for olefin polymerization | Yoshiyuki Ishihama | 2021-05-04 |
| 10919994 | Metallocene compound, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the same, and method for producing olefin polymer using catalyst for olefin polymerization | Yoshiyuki Ishihama | 2021-02-16 |
| 10633471 | Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst | Yoshiyuki Ishihama, Ryousuke Asakawa, Tetsurou Fukuda, Kazuya Sakata, Masaru Aoki +2 more | 2020-04-28 |
| 10005864 | Metallocene compound, catalyst for olefin polymer, method for producing olefin polymer, and olefin polymer | Koji ITAGAKI, Takayoshi Takahashi | 2018-06-26 |
| 9975972 | Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst | Yoshiyuki Ishihama, Ryousuke Asakawa, Tetsurou Fukuda, Kazuya Sakata, Masaru Aoki +2 more | 2018-05-22 |
| 9783625 | Metallocene compound, catalyst for olefin polymer, method for producing olefin polymer, and olefin polymer | Koji ITAGAKI, Takayoshi Takahashi | 2017-10-10 |
| 9309340 | Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst | Yoshiyuki Ishihama, Ryousuke Asakawa, Tetsurou Fukuda, Kazuya Sakata, Masaru Aoki +2 more | 2016-04-12 |
| 6303714 | Catalyst component for olefin polymerization catalyst for olefin polymerization, and process for preparing polyolefin | Nobuyuki Kibino, Kiyotaka Ishida, Tsugihiko Hakozaki, Shigenobu Miyake, Shintaro Inazawa | 2001-10-16 |
| 6121182 | Polyolefin production catalyst and method of preparing polyolefins | Yoshikuni Okumura, Michio Ono, Shintaro Inazawa | 2000-09-19 |