Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7033972 | Catalyst for producing dimethyl ether, method for producing catalyst and method for producing dimethyl ether | Tsutomu Shikada, Yotaro Ohno, Takashi Ogawa, 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 | Tsutomu Shikada, Yotaro Ohno, Takashi Ogawa, Masami Ono, Kaoru Fujimoto | 2004-10-05 |
| 6562306 | Apparatus for producing dimethyl ether | Tsutomu Shikada, Takashi Ogawa, Masami Ono | 2003-05-13 |
| 6361757 | Catalyst for manufacturing hydrogen or synthesis gas and manufacturing method of hydrogen or synthesis gas | Tsutomu Shikada, Yotaro Ohno, Norio Inoue, Keiji Tomura, Takeshi Furukawa +5 more | 2002-03-26 |
| 6147125 | Method and apparatus for producing dimethyl ether | Tsutomu Shikada, Yotaro Ohno, Takashi Ogawa, Masami Ono, Kaoru Fujimoto | 2000-11-14 |
| 5650428 | Arylsulfonamide derivative and pharmaceutical compositions and use thereof | Masayuki Ohmori, Shin-Ichi Sawamura, Takehiro Yamamoto, Yoshiko Kawada, Shihoko Maeda +3 more | 1997-07-22 |
| 5306842 | Method of manufacturing aromatic urethanes | Takao Ikariya, Masanori Itagaki, Makoto Miyazawa, Sachiko Yamamoto | 1994-04-26 |
| RE34137 | Method of manufacturing aromatic urethane and intermediate product thereof | Takao Ikariya, Masanori Itagaki, Itaru Sakai, Osamu Tajima | 1992-12-01 |
| 5130464 | Method of manufacturing aromatic urethanes | Takao Ikariya, Masanori Itagaki, Mikoto Iemoto, Tetsuo Hachiya, Tomomichi Nakamura +2 more | 1992-07-14 |
| 4699994 | Method of manufacturing diphenylmethane dicarbamic acid diesters | Takao Ikariya, Masanori Itagaki, Itaru Sakai, Osamu Tajima | 1987-10-13 |
| 4678856 | Method of manufacturing aromatic urethane and intermediate product thereof | Takao Ikariya, Masanori Itagaki, Itaru Sakai, Osamu Tajima | 1987-07-07 |