| 12404353 |
Olefin polymerization catalyst, olefin polymerization catalyst production method, and olefin polymer production method using the olefin polymerization catalyst |
Ryota Fujita |
2025-09-02 |
|
| 10336837 |
Process for producing olefin polymer and olefin polymer |
Atsushi Sakuma, Ikuko Ebisawa, Shinsuke Kinoshita, Akiko Matsumoto, Hirokazu Tanaka +1 more |
2019-07-02 |
|
| 10336838 |
Process for producing olefin polymer and olefin polymer |
Atsushi Sakuma, Ikuko Ebisawa, Shinsuke Kinoshita, Akiko Matsumoto, Hirokazu Tanaka +1 more |
2019-07-02 |
|
| 9896526 |
Process for producing olefin polymer and olefin polymer |
Atsushi Sakuma, Ikuko Ebisawa, Shinsuke Kinoshita, Akiko Matsumoto, Hirokazu Tanaka +1 more |
2018-02-20 |
|
| 9796799 |
Transition metal compound, olefin polymerization catalyst, and olefin polymer production process |
— |
2017-10-24 |
|
| 9458257 |
Process for producing olefin polymer and olefin polymer |
Atsushi Sakuma, Ikuko Ebisawa, Shinsuke Kinoshita, Akiko Matsumoto, Hirokazu Tanaka +1 more |
2016-10-04 |
|
| 9458261 |
Transition metal compound, olefin polymerization catalyst, and olefin polymer production process |
— |
2016-10-04 |
|
| 8409480 |
Process for preparing organic alkali metal compound and organic transition metal compound |
Atsushi Sakuma |
2013-04-02 |
|
| 7879960 |
Process for producing propylene polymer |
Naritoshi Hirota, Mayumi Hiwara, Yasushi Tohi, Koji Kawai, Ryoji Mori +3 more |
2011-02-01 |
$772,000 |
| 7834204 |
Fluorene derivative, transition metal compound, catalyst for olefin polymerization, and process for producing olefin polymer |
Koji Endo, Naritoshi Hirota, Yuichi Yamamura, Koji Kawai |
2010-11-16 |
$1,347,000 |
| 7803888 |
Olefin-based polymers and uses thereof |
Nobuo Kawahara, Shinichi Kojoh, Shingo Matsuo, Hideyuki Kaneko, Tomoaki Matsugi +7 more |
2010-09-28 |
$1,458,000 |
| 7678934 |
Propylene copolymer, polypropylene composition and uses thereof, transition metal compound and olefin polymerization catalyst |
Naritoshi Hirota, Hiromu Kaneyoshi, Koji Kawai, Nobuo Kawahara |
2010-03-16 |
$1,239,000 |
| 7488789 |
Propylene copolymer, polypropylene composition, and uses thereof, transition metal compounds and catalyst for olefin polymerization |
Shigenobu Ikenaga, Keiji Okada, Hiroshi Hoya, Norihide Inoue, Naritoshi Hirota +6 more |
2009-02-10 |
$724,000 |
| 7396900 |
Thiourethane-based optical material |
Mamoru Tanaka, Shigetoshi Kuma, Seiichi Kobayashi |
2008-07-08 |
$1,899,000 |
| 7244808 |
Thiourethane-based optical material |
Mamoru Tanaka, Shigetoshi Kuma, Seiichi Kobayashi |
2007-07-17 |
$245,000 |