Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8410234 | Vinyl ether compound, vinyl ether polymer, and method for producing vinyl ether compound | Akira Shiibashi | 2013-04-02 |
| 8247508 | Isobutylene-based polymer and method for producing same | Akira Shiibashi, Tsuyoshi Yamaguchi | 2012-08-21 |
| 8203025 | Solid phosphoric acid catalyst and methods of olefin dimerization reaction with the same | Tatsuo Hamamatsu, Nobuhiro Kimura, Takashi Morikita | 2012-06-19 |
| 7741527 | Solid phosphoric acid catalyst and method for dimerization of olefin using the same | Tatsuo Hamamatsu, Nobuhiro Kimura, Takashi Morikita | 2010-06-22 |
| 7126037 | Butene oligomer derivatives having terminal 1,4-butanediol functional groups | Koji Fujimura, Yuichi Tokumoto | 2006-10-24 |
| 6476284 | Method of dehalogenating hydrocarbon containing carbon-carbon double bond | Koichi Ohashi, Teruhisa Kuroki, Koji Fujimura, Yuichi Tokumoto | 2002-11-05 |
| 6462151 | Method of removing and recovering boron trifluoride with metal fluoride and process for polyolefin production using the same | Yuichi Tokumoto, Koji Fujimura | 2002-10-08 |
| 6300444 | Process for producing butene polymer | Yuichi Tokumoto, Koichi Ohashi, Toshio Okada | 2001-10-09 |
| 6084144 | Method of recovering boron trifluoride complex and process for producing olefin oligomer using the same | Yoshisuke Kakuyama, Shigeru Nishikida, Yuichi Tokumoto, Kouji Fujimura | 2000-07-04 |
| 5846429 | Method for separating and recovering boron trifluoride | Isoo Shimizu, Yoshisuke Kakuyama | 1998-12-08 |
| 5698023 | Process of producing copper phthalocyanine pigment having a bright tone | Kikuo Sasaki, Hideyuki Dohi | 1997-12-16 |