Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12084536 | Polybutadiene, method of producing polybutadiene, polybutadiene composition, tire, and resin member | Shigenaga TAKANO, Shojiro Kaita, Daisuke Takeuchi, Shinji Yamakawa | 2024-09-10 |
| 11472907 | Polymerization catalyst composition, polymer manufacturing method, polymer, rubber composition, and tire | Shigenaga TAKANO, Shojiro Kaita, Daisuke Takeuchi, Shinji Yamakawa | 2022-10-18 |
| 8431663 | Polymer and method for producing same | Daisuke Takeuchi, Osamu Ihata, Hirofumi Johoji | 2013-04-30 |
| 8389656 | Copolymer and method for producing same | Daisuke Takeuchi, Osamu Ihata, Hirofumi Johoji, Kenji Sogo | 2013-03-05 |
| 8247510 | Copolymer and production process thereof | Daisuke Takeuchi, Sehoon Park, Masayuki Fujita, Wataru Hirahata | 2012-08-21 |
| 8188202 | Diene polymer and production process thereof | Daisuke Takeuchi, Yusuke Fukuda, Osamu Ihata, Hiroshi Kuribayashi | 2012-05-29 |
| 8044159 | Homopolymer and copolymer, and production process thereof | Daisuke Takeuchi, Sehoon Park, Masayuki Fujita, Wataru Hirahata | 2011-10-25 |
| 7964691 | Olefin-diene copolymer and process for producing the same | Daisuke Takeuchi, Sehoon Park, Makoto Uemura | 2011-06-21 |
| 7956145 | Diene polymer and process for producing the same | Daisuke Takeuchi, Sehoon Park, Makoto Uemura, Masayuki Fujita | 2011-06-07 |
| 7943715 | Diene polymer and process for producing the same | Daisuke Takeuchi, Sehoon Park, Ryuichi Matsuura, Makoto Uemura, Masayuki Fujita | 2011-05-17 |
| 7799886 | Diene polymer and production process thereof | Daisuke Takeuchi, Yusuke Fukuda, Osamu Ihata, Hiroshi Kuribayashi | 2010-09-21 |
| 7696386 | Method of producing diol, polydiol, secondary alcohol or diketone compound | Hideo Hosono, Haritha Buchammagari, Yoshitake Toda, Masahiro Hirano, Daisuke Takeuchi | 2010-04-13 |