Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10435494 | Ethylene/α-olefin/non-conjugated polyene copolymer, and production process and use thereof | Kotaro Ichino, Yoshiharu Kikuchi, Tomoaki Matsugi, Yasushi YANAGIMOTO, Mitsunao Arino +2 more | 2019-10-08 |
| 10131726 | Ethylene/α-olefin/non-conjugated polyene copolymer, and production process and use thereof | Kotaro Ichino, Yoshiharu Kikuchi, Tomoaki Matsugi, Yasushi YANAGIMOTO, Mitsunao Arino +2 more | 2018-11-20 |
| 9382356 | Catalyst for olefin polymerization, method for producing olefin polymer, method for producing propylene-based copolymer, propylene polymer, propylene-based polymer composition, and use of those | Masahiko Okamoto, Ryoji Mori, Tatsuya Nakamura, Takashi Yukita, Takashi Nakagawa +12 more | 2016-07-05 |
| 9340628 | Process for producing olefin polymer | Yasuhiro Hasada, Hiroshi Noguchi | 2016-05-17 |
| 8802779 | Propylene-based polymer composition, use thereof, and method for producing thermoplastic polymer composition | Masahiko Okamoto, Ryoji Mori, Takashi Nakagawa, Hiromasa Marubayashi, Shigenobu Ikenaga +1 more | 2014-08-12 |
| 8785574 | Bridged metallocene compound, olefin polymerization catalyst containing the same, and ethylene polymer obtained with the catalyst | Hideki Bando, Yasuo Satoh, Takashi Yukita, Yasuyuki Harada, Yoshiho Sonobe +3 more | 2014-07-22 |
| 8604140 | Method for preventing fouling in chemical equipment and antifouling agent | Naoshi Nagai, Shiro Nakatsuka, Kazuoki Nakai, Kenji Sugimura, Ken Yoshitsugu +2 more | 2013-12-10 |
| 8445609 | Method for producing olefin polymer | Ken Yoshitsugu, Naoya AKIYAMA, Toshio Fujita, Masatoshi Chinaka | 2013-05-21 |
| 8129489 | Ethylene polymer and use thereof | Masahiko Okamoto, Tetsuji Kasai, Koji Endo, Shiro Otsuzuki, Takahiro Akashi +4 more | 2012-03-06 |
| RE42957 | Process for producing olefin polymers | Kenji Sugimura, Toshiyuki Tsutsui | 2011-11-22 |
| 8017705 | Process for production of syndiotactic propylene polymer | Tomohiro Yamaguchi, Junpei Tanaka, Shiro Otsuzuki, Kouji Nagahashi, Nobukazu Yamahira +3 more | 2011-09-13 |
| 7879960 | Process for producing propylene polymer | Munehito Funaya, Naritoshi Hirota, Mayumi Hiwara, Koji Kawai, Ryoji Mori +3 more | 2011-02-01 |
| 7847040 | α-olefin-based polymer composition, molded product formed from the composition, and novel polymer | Ryoji Mori, Takashi Nakagawa, Shigenobu Ikenaga, Hiromasa Marubayashi, Masahiko Okamoto +1 more | 2010-12-07 |
| 7795194 | Synthetic lubricating oil and lubricating oil composition | Yuriko Iimura, Hideki Hirano, Naomi Urakawa | 2010-09-14 |
| 7741419 | Process for producing olefin polymers | Kenji Sugimura, Toshiyuki Tsutsui | 2010-06-22 |
| 7700708 | Ethylene polymer and application thereof to moldings | Mamoru Takahashi, Masahiko Okamoto, Tetsuji Kasai, Shiro Otsuzuki, Shinichi Nagano +2 more | 2010-04-20 |
| 7619030 | Automobile part of polypropylene resin composition | Koji Kawai, Masahiro Yamashita, Keita Itakura, Ikunori Sakai, Mikio Hashimoto +5 more | 2009-11-17 |
| 7452946 | Ethylene polymer | Sadahiko Matsuura, Naoto Matsukawa, Makoto Mitani, Junji Saito, Terunori Fujita +3 more | 2008-11-18 |
| 7449533 | Metallocene compound, process for preparing metallocene compound, olefin polymerization catalyst, process for preparing polyolefin, and polyolefin | Koji Kawai, Masahiro Yamashita, Nobuo Kawahara, Kenji Michiue, Hiromu Kaneyoshi +1 more | 2008-11-11 |
| 7393965 | Crosslinked metallocene compound for olefin polymerization and method of polymerizing olefin with the same | Koji Endo, Hiromu Kaneyoshi, Naomi Urakawa, Yuichi Yamamura, Koji Kawai | 2008-07-01 |
| 7300903 | Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymers | Terunori Fujita, Makoto Mitani, Shigekazu Matsui, Junji Saito, Masatoshi Nitabaru +3 more | 2007-11-27 |
| 7241848 | Process for preparing low molecular weight olefin (CO)polymer and polymerization catalyst used therefor | Kazunori Okawa, Naomi Urakawa, Koji Endo, Koji Kawai, Toshiyuki Tsutsui | 2007-07-10 |
| 7081493 | Automotive part made of polypropylene resin composition | Koji Kawai, Masahiro Yamashita, Keita Itakura, Ikunori Sakai, Mikio Hashimoto +5 more | 2006-07-25 |
| 6939928 | Metallocene compound, process for producing metallocene compound, olefin polymerization catalyst, process for producing polyolefin, and polyolefin | Koji Kawai, Masahiro Yamashita, Nobuo Kawahara, Kenji Michiue, Hiromu Kaneyoshi +1 more | 2005-09-06 |
| 6875718 | Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymers | Terunori Fujita, Makoto Mitani, Shigekazu Matsui, Junji Saito, Masatoshi Nitabaru +3 more | 2005-04-05 |