Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8536385 | Process for preparing dimethyl ether and process for preparing a mixture of dimethyl ether and methanol | Keiichi Okuyama, Yotaro Ohno, Takashi Ogawa, Seiji Aoki, Yasuhiro Mogi +4 more | 2013-09-17 |
| 7033972 | Catalyst for producing dimethyl ether, method for producing catalyst and method for producing dimethyl ether | Yotaro Ohno, Takashi Ogawa, Masatsugu Mizuguchi, Masami Ono, Kaoru Fujimoto | 2006-04-25 |
| 7015255 | Medium oil for slurry-bed reaction process and process of producing dimethyl ether | Keiji Tomura, Takashi Ogawa, Masami Ono, Keiichi Okuyama, Seiji Aoki +2 more | 2006-03-21 |
| 6800665 | Method for producing dimethyl ether | Yotaro Ohno, Takashi Ogawa, Masatsugu Mizuguchi, Masami Ono, Kaoru Fujimoto | 2004-10-05 |
| 6562306 | Apparatus for producing dimethyl ether | Takashi Ogawa, Masatsugu Mizuguchi, Masami Ono | 2003-05-13 |
| 6361757 | Catalyst for manufacturing hydrogen or synthesis gas and manufacturing method of hydrogen or synthesis gas | Yotaro Ohno, Norio Inoue, Masatsugu Mizuguchi, Keiji Tomura, Takeshi Furukawa +5 more | 2002-03-26 |
| 6221311 | Apparatus for disposing synthetic resinous materials | Minoru Asanuma, Tatsuro Ariyama, Yukihiko Asakawa, Koichi Tomioka, Mitsuhiro Fujii +1 more | 2001-04-24 |
| 6147125 | Method and apparatus for producing dimethyl ether | Yotaro Ohno, Takashi Ogawa, Masatsugu Mizuguchi, Masami Ono, Kaoru Fujimoto | 2000-11-14 |
| 6053962 | Scrap melting process | Tatsuro Ariyama, Takanori Inoguchi, Hidetoshi Noda, Masahiro Matsuura, Takeshi Konishi +1 more | 2000-04-25 |
| 6048380 | Method for disposing synthetic resinous material | Minoru Asanuma, Tatsuro Ariyama, Yukihiko Asakawa, Koichi Tomioka, Mitsuhiro Fujii +1 more | 2000-04-11 |
| 5945569 | Catalyst and method for producing phenols | Jun Miki, Minoru Asanuma, Takeshi Konishi, Yakudo Tachibana, Aiko WATANABE | 1999-08-31 |
| 5466720 | Method of producing dimethyl ether | Kaoru Fujimoto, Yojiro Yamaoka, Takashi Sumigama | 1995-11-14 |
| 5389689 | Method of producing dimethyl ether | Kaoru Fujimoto, Yojiro Yamaoka, Takashi Sumigama | 1995-02-14 |
| 5268512 | Catalyst and process for producing phenol | Jun Miki, Toshifumi Suzuki, Kazuhiko Tate, Yakudo Tachibana | 1993-12-07 |
| 5139756 | Catalytic oxidation of ammonia | Minoru Asanuma, Yakudo Tachibana | 1992-08-18 |
| 5055282 | Method of decomposing ammonia using a ruthenium catalyst | Minoru Asanuma, Takao Ikariya | 1991-10-08 |
| 4478801 | Method for purifying exhaust gases with hydrogensulfates | Hiroo Tominaga, Kaoru Fujimoto | 1984-10-23 |