Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9758623 | Polyimide precursor and polyimide | Ryoichi Takasawa, Takuya Oka, Yukinori Kohama, Miharu Nakagawa, Keiji Iwamoto +1 more | 2017-09-12 |
| 9051234 | Method for producing alkanediol | Yasutaka Yoshida, Takashi Doi, Kouichi Kashiwagi, Ryo Fujimoto, Ryousuke Katsura +1 more | 2015-06-09 |
| 8940946 | Method for producing high-purity 1,5-pentanediol | Yasutaka Yoshida, Ryo Fujimoto, Ryousuke Katsura, Satoru Fujitsu, Takashi Doi +1 more | 2015-01-27 |
| 8901254 | Process for preparing polycarbonate diol diacrylate and high-purity polycarbonate diol diacrylate | Youichi Yoshida, Yasuhito Yamamoto | 2014-12-02 |
| 8367824 | Process for producing quinazolin-4-one derivative | Shigeyoshi Nishino, Hidetaka Shima, Takashi Harada, Hiroyuki Oda | 2013-02-05 |
| 8318932 | Process for producing 4-aminoquinazoline compound | Shigeyoshi Nishino, Hidetaka Shima, Takashi Harada, Hiroyuki Oda | 2012-11-27 |
| 8293448 | Resin composition for stereolithography | Takashi Ito, Tsuneo Hagiwara, Tadashi Murakami | 2012-10-23 |
| 8247583 | 3-ethyloxethane compound having hydroxyl group and method for producing the same | Tadashi Murakami | 2012-08-21 |
| 8133999 | Process for preparation of 6, 7-bis(2-methoxyethoxy) quinazolin-4-one | Shigeyoshi Nishino, Hidetaka Shima, Hiroyuki Oda, Shinobu Suzuki | 2012-03-13 |
| 7745649 | Processes for preparing tetrahydropyran-4-one and pyran-4-one | Shigeyoshi Nishino, Hidetaka Shima, Shinobu Suzuki | 2010-06-29 |
| 7741497 | Processes for preparing alkyl 3-(4-tetrahydropyranyl)-3-oxopropanoate compound and 4-acyltetrahydropyrane | Shigeyoshi Nishino, Hidetaka Shima, Keiji Iwamoto, Takashi Harada | 2010-06-22 |
| 7619084 | Process for preparing 4-aminopyrimidine compound | Shigeyoshi Nishino, Hidetaka Shima, Takashi Harada | 2009-11-17 |
| 7365215 | Process for preparing 4-aminotetrahydropyran compound and an acid salt thereof, synthetic intermediate thereof and process for preparing the same | Shigeyoshi Nishino, Hidetaka Shima, Keiji Iwamoto, Takashi Harada, Shinobu Suzuki | 2008-04-29 |
| 7342040 | 5-fluorooxindole-3-carboxylic acid ester | Katsumasa Harada, Shigeyoshi Nishino, Shuji Yokoyama, Takeshi Takahashi, Hiroyuki Oda | 2008-03-11 |
| 7304169 | Process for producing tetrahydropyran-4-ol, intermediate therefor, and process for producing the same | Shigeyoshi Nishino, Hidetaka Shima, Shinobu Suzuki | 2007-12-04 |
| 7300953 | Process for preparing nitrile compound, carboxylic acid compound or carboxylic acid ester compound | Shigeyoshi Nishino, Hidetaka Shima, Keiji Iwamoto, Takashi Harada | 2007-11-27 |
| 7232903 | Process for producing quinazolin-4-one and derivatives thereof | Shigeyoshi Nishino, Hidetaka Shima, Takashi Harada, Hiroyuki Oda | 2007-06-19 |
| 7049458 | Process for producing β-ketonitrile compound | Katsumasa Harada, Shigeyoshi Nishino, Akira Nakamura, Takashi Harada | 2006-05-23 |
| 6900335 | Process for producing 5-fluorooxindole and for producing intermediates therefor | Katsumasa Harada, Shigeyoshi Nishino, Shuji Yokoyama, Takeshi Takahashi, Hiroyuki Oda | 2005-05-31 |
| 6841681 | Process for producing quinoline carboxyaldehyde derivative and intermediate thereof | Katsumasa Harada, Shigeyoshi Nishino, Hidetaka Shima, Naoko Okada, Takashi Harada +2 more | 2005-01-11 |
| 6689895 | 4, 8-dodecadienedinitrile and process for its production | Katsumasa Harada, Yasuhisa Fukuda, Yoshinori Yamanaka, Tadashi Murakami | 2004-02-10 |
| 6653489 | Processes for producing tetrahydropyranyl-4-sulfonates and 4-aminotetrahydropyran compounds | Katsumasa Harada, Shigeyoshi Nishino, Hidetaka Shima, Minoru Nishimura | 2003-11-25 |
| 5030755 | Process for producing substituted phenoxyethylamines and intermediates | Kikuo Ataka, Koji Imaoka, Kiyotaka Yoshii | 1991-07-09 |
| 4985596 | Process for producing substituted phenoxyethylamines oxime | Kikuo Ataka, Koji Imaoka, Kiyotaka Yoshii | 1991-01-15 |